Consumer Psychology & Insight Mining

Chapter 8
Consumer Decision Processes and Customer Journeys

Graduate Program in Marketing Management
Consumer Psychology & Insight Mining   •   Graduate

Consumer Decision Processes and Customer Journeys

Introduction

Consumer decisions are not isolated acts of purchase. They are extended, socially situated and often technology-mediated processes through which individuals or groups recognize problems, seek and interpret information, compare alternatives, choose, acquire, use, evaluate and eventually retain, replace, return or dispose of products and services. For marketing managers, understanding this process is more valuable than merely knowing who bought. It reveals why a customer entered a category, where uncertainty arose, which touchpoints shaped preference, and what determines future value.

The classical consumer decision model presents a sequence of stages: need recognition, information search, consideration, evaluation, choice, purchase, consumption and post-purchase behavior. In practice, however, journeys are recursive rather than strictly linear. A customer may search after purchase, compare alternatives during consumption, abandon a cart, return to a previous brand or rely on habit without conscious evaluation. Journeys also cross channels: search engines, physical stores, marketplaces, social media, mobile applications, call centers, delivery services and peer communities may all contribute to one decision.

This chapter integrates decision-process theory with customer-journey analysis. It distinguishes high- and low-involvement decisions, explains moments of truth, examines satisfaction, loyalty, switching and complaints, and considers how firms can use qualitative and quantitative insight mining without violating customer autonomy or privacy.

Learning Objectives

By the end of this chapter, students should be able to:

  1. Explain the major stages and psychological mechanisms in consumer decision processes.
  2. Compare high-involvement, low-involvement and habitual decisions.
  3. Analyze information search, consideration sets, choice rules and post-purchase evaluation.
  4. Map omnichannel customer journeys and identify moments of truth.
  5. Distinguish satisfaction, loyalty, retention and advocacy.
  6. Diagnose switching, complaints, service recovery and disposal behavior.
  7. Apply journey insights to segmentation, experience design and marketing measurement.
  8. Evaluate ethical and methodological limitations in consumer insight mining.

1. The Consumer Decision Process as a Dynamic System

A decision process begins when a consumer perceives a discrepancy between a current state and a desired state. This discrepancy may be functional, emotional, social or symbolic. Hunger can create a functional need; loneliness can create a social need; a desire for professional status can create a symbolic need. Marketing may activate, frame or intensify a need, but it does not create every underlying motive.

The consumer decision process is often represented as:

Need recognition → Information search → Consideration → Evaluation → Choice → Purchase → Consumption → Post-purchase evaluation → Retention, switching, complaint or disposal

This sequence is a useful organizing framework, not a universal law. Search may be minimal, evaluation may occur unconsciously, and post-purchase learning may influence the next purchase. Situational factors—including time pressure, budget, product availability, mood, social presence and perceived risk—can alter both the number and order of stages.

A useful managerial distinction is between the customer’s objective behavior and the customer’s subjective experience. Two people may follow the same observable path—search, click, purchase and review—while experiencing different levels of anxiety, effort and confidence. Journey research must therefore combine behavioral data with interviews, observation, surveys and contextual inquiry.

Need Recognition

Need recognition occurs when a consumer perceives a gap between an actual state and an ideal or desired state. Recognition can be internally stimulated, such as thirst or fatigue, or externally stimulated, such as advertising, a friend’s recommendation, a product display or a social comparison.

Marketers analyze three questions:

  • What problem is the customer trying to solve?
  • What triggers recognition at this time?
  • Is the problem active, latent or created by a change in circumstances?

A customer may recognize a need for transportation, but the relevant solution could be a car, ride-hailing, public transit, bicycle or remote work. Insightful marketing therefore begins with the customer’s job or desired outcome rather than with a predefined product category.

Information Search

Consumers search internally by retrieving memories, experiences and brand associations. They search externally through websites, reviews, salespeople, social networks, comparison tools and demonstrations. Search intensity depends on perceived risk, involvement, product complexity, prior knowledge, time and the expected benefit of additional information.

Search is not always neutral. Consumers may seek information that confirms an initial preference, avoid information that threatens a desired choice, or rely on trusted heuristics because extensive comparison is cognitively costly. Search results are also shaped by platform ranking, paid placement, personalization and social proof.

A manager should distinguish information availability from information usability. A large volume of content may increase confusion rather than confidence. Effective information architecture reduces uncertainty by making relevant differences, total costs, eligibility requirements, delivery conditions and return policies easy to understand.

Consideration Sets

Consumers rarely evaluate every available brand. They form a consideration set: the brands or options regarded as sufficiently relevant for serious evaluation. The set may contain a preferred brand, acceptable alternatives, unfamiliar brands and brands rejected because of price, quality, ethics or availability.

Brand salience increases the probability of entering the consideration set, but salience does not guarantee choice. A brand can be well known yet excluded because it is perceived as too expensive, unreliable or inconsistent with the customer’s identity. Managers should measure both awareness and consideration, while identifying the reasons for exclusion.

Evaluation of Alternatives

Evaluation involves comparing attributes, consequences and meanings. Some consumers use compensatory reasoning: a weakness on one attribute can be offset by strength on another. Others use noncompensatory rules, rejecting any option that fails a minimum requirement.

Common choice rules include:

  • Conjunctive rule: select options meeting minimum thresholds on all important attributes.
  • Disjunctive rule: select options exceeding a high threshold on at least one valued attribute.
  • Lexicographic rule: choose the option best on the most important attribute.
  • Elimination-by-aspects: eliminate options failing sequentially applied criteria.
  • Affect referral: choose an option based largely on overall feeling or brand attitude.

Consumers also use heuristics such as price-quality inference, popularity, scarcity, default selection, brand familiarity and recommendations from trusted others. Heuristics reduce effort, but they can produce systematic biases. A high price may signal quality in some categories but simply reflect prestige positioning or inefficient operations in others.

Choice and Purchase

Choice is the selection of an option; purchase is the transaction or acquisition. They may be separated by time. A consumer can prefer one airline but purchase another because of schedule, price, availability or employer policy. The purchase environment can also change the decision through checkout friction, payment options, sales assistance, stock visibility and delivery promises.

The intention–behavior gap is particularly important. Stated intentions are influenced by social desirability, hypothetical conditions and unstable preferences. Actual behavior is constrained by money, time, availability and situational convenience. Consequently, behavioral data should complement, not automatically replace, customer explanations.

Consumption and Experience

Value is realized during use, not merely at purchase. Consumption may be utilitarian, experiential, social or identity-related. A software product creates value through successful task completion; a restaurant creates value through food, atmosphere, service and social experience; a luxury product may create value through symbolic meaning.

Consumption can reveal new needs. A customer who buys a camera may later need editing software, training, storage and accessories. This creates opportunities for responsible cross-selling, but aggressive selling can increase perceived exploitation and damage trust.

Post-Purchase Evaluation

After use, consumers compare perceived performance with expectations. The disconfirmation perspective explains satisfaction as a result of the relationship between performance and expectations:

Disconfirmation = Perceived performance − Prior expectations

Positive disconfirmation occurs when performance exceeds expectations; negative disconfirmation occurs when it falls below expectations. The expression is conceptual rather than a complete numerical satisfaction model. Expectations may be formed by advertising, reviews, prior experience, price, guarantees and social norms. Satisfaction is therefore partly a property of the experience and partly a property of expectation management.

Dissatisfaction can produce complaint, negative word of mouth, switching, return or disengagement. Satisfaction does not guarantee loyalty: a customer may be satisfied but switch for a lower price, greater convenience, novelty or ethical reasons. Loyalty involves repeat behavior, but strong loyalty also includes attitudinal commitment and resistance to alternatives.

2. Involvement, Risk and Decision Effort

Involvement is the perceived personal relevance or importance of a decision. High-involvement decisions typically involve greater financial, social, functional or psychological consequences. Examples include postgraduate education, housing, medical services and enterprise software. Low-involvement decisions include routine household purchases, familiar snacks and frequently bought convenience products.

Involvement is not an intrinsic property of a product. The same product can be high involvement for one consumer and low involvement for another. A professional photographer may intensely evaluate a memory card, while another buyer may select one habitually.

DimensionHigh-involvement decisionLow-involvement decision
Perceived riskUsually highUsually low
SearchExtensive and externalLimited or habitual
EvaluationDeliberate and attribute-basedHeuristic or affective
Brand learningOften activeOften passive
Promotion responseArgument, evidence and reassuranceSalience, availability and reminders
Post-purchase concernDissonance and justificationLimited reflection unless failure occurs

Perceived risk may be financial, functional, physical, social, psychological, privacy-related or time-related. Risk-reduction strategies include warranties, trials, demonstrations, certifications, transparent reviews, guarantees, human support and easy returns. The credibility of these mechanisms matters: a guarantee that is difficult to claim may increase rather than reduce frustration.

The elaboration likelihood model helps explain persuasion under different involvement conditions. Under central processing, consumers examine arguments and evidence. Under peripheral processing, cues such as attractiveness, familiarity, authority, popularity or visual design exert greater influence. These are not mutually exclusive categories; consumers can process some aspects centrally and others peripherally within the same journey.

3. Customer Journeys and Omnichannel Experience

A customer journey is the sequence of interactions and experiences through which a customer pursues a goal. A touchpoint is an interaction with a brand, channel, product, employee, partner or other customer. A journey may include owned touchpoints, paid media, earned conversation and uncontrolled experiences such as delays, peer reviews or competitor contact.

Multichannel marketing means offering several channels. Omnichannel management goes further: it seeks continuity across channels so that customer information, promises, inventory, service and identity are coordinated. Customers may discover a product on social media, research on a laptop, inspect it in a store, order through an application and seek support through messaging. The journey is experienced as one relationship even when the firm manages separate departments.

Omnichannel customer journey with stages and touchpoints RecognizeneedSearchand comparePurchaseand receiveUseand evaluateRetain,switch or complain Social mediaWebsite / storeApp / paymentService / community
Omnichannel customer journey with stages and touchpoints
Figure: Omnichannel customer journey with stages and touchpoints

Figure: A customer journey crosses stages and channels; the arrows indicate progression, while feedback may send the customer back to an earlier stage.

Journey Stages and Moments of Truth

A moment of truth is an interaction that significantly shapes expectations, trust or evaluation. A first impression may occur when a customer encounters a search result. A purchase moment may occur at checkout. A use moment may occur when the product is first activated. A recovery moment occurs when a failure is handled. A final moment may occur when the customer decides whether to renew, recommend or dispose.

Not every touchpoint deserves equal investment. Journey management prioritizes moments according to customer importance, emotional intensity, failure probability and strategic differentiation. A technically excellent advertisement cannot compensate for a broken onboarding process if activation is the decisive moment.

Journey maps should include:

  1. Customer goal and context.
  2. Stages and tasks.
  3. Touchpoints and channels.
  4. Customer thoughts, emotions and effort.
  5. Frontstage employee or interface actions.
  6. Backstage processes and dependencies.
  7. Pain points, evidence and moments of truth.
  8. Measures, owners and improvement priorities.

A service blueprint extends the journey map by connecting customer actions to employee actions, systems, policies and support processes. This prevents firms from treating a visible problem as merely a communications issue when the underlying cause is inventory, staffing, data integration or incentive design.

4. Satisfaction, Loyalty, Switching and Complaints

Satisfaction is an evaluative response to a specific experience or cumulative relationship. Loyalty is a behavioral and attitudinal tendency to continue a relationship. Retention is the continuation of the relationship over a defined period. Advocacy is the willingness to recommend or defend a brand. These concepts overlap but should not be treated as identical.

A customer may repurchase because of convenience, contractual lock-in or lack of alternatives rather than genuine preference. Conversely, a loyal customer may temporarily fail to repurchase because the product is durable or the category is infrequent. Managers should therefore interpret repeat purchase in context.

Switching occurs when a customer moves to another provider or stops using the category. Switching barriers include financial penalties, learning costs, data migration, emotional attachment, social consequences and effort. Some barriers are legitimate and helpful, such as accumulated preferences or compatible ecosystems; others are exploitative, such as deliberately obstructive cancellation procedures.

Complaint behavior can be directed to the firm, expressed privately to friends, communicated publicly online or followed by silent exit. Complaints are both a risk and a source of diagnostic information. Effective recovery generally requires acknowledgment, explanation where appropriate, fair remedy, speed and prevention of recurrence. Compensation alone may not restore trust if the customer feels ignored or deceived.

Managers should avoid assuming that every complaint is representative. Vocal customers may be systematically different from silent defectors. Combining complaint text, churn signals, interviews and service records provides a more balanced view.

5. Measurement and Insight Mining

Journey measurement should connect customer outcomes to operational evidence. Useful measures include:

  • Conversion rate at a defined stage.
  • Abandonment rate.
  • Search-to-consideration progression.
  • Time and effort required to complete a task.
  • First-contact resolution.
  • Return, renewal and churn rates.
  • Complaint incidence and resolution time.
  • Satisfaction, perceived value and trust.
  • Recommendation or advocacy indicators.

A basic stage conversion rate is:

Conversion rate = Number completing the stage ÷ Number entering the stage × 100%

The denominator must be clearly defined—for example, unique customers entering checkout during a specified period. Rates from different populations or time windows should not be compared without checking their definitions.

A retention rate for a period can be expressed as:

Retention rate = (Customers at end of period − New customers acquired during period) ÷ Customers at start of period × 100%

This formula assumes that the customer base is measured consistently and that new-customer additions are known. It is not appropriate when customer identity is unreliable or when contracts and active users are defined differently across periods.

Worked Example

An online learning service begins a quarter with 8,000 customers. It ends with 8,600 customers and acquired 1,200 new customers during the quarter. Retained starting customers equal 8,600 − 1,200 = 7,400. Therefore:

Retention rate = 7,400 ÷ 8,000 × 100% = 92.5%

The apparent customer growth is 600, but the retention calculation shows that 600 of the original 8,000 customers were not retained. Growth and retention answer different managerial questions.

Quantitative data should be triangulated with qualitative evidence. Funnel analysis identifies where behavior changes; interviews may explain why. A/B tests estimate the effect of a controlled intervention under stated conditions, while ethnography reveals practices that customers may not articulate. Social listening can identify emerging complaints, but online expression is not a representative sample of all customers.

AI and machine learning can support journey analysis through text classification, next-best-action models, anomaly detection, recommendation and propensity scoring. However, prediction is not explanation, and correlation is not causation. Models may reproduce historical discrimination, infer sensitive attributes, over-personalize experiences or make it difficult for customers to understand and challenge decisions. Human review, purpose limitation, data minimization, fairness testing, security and clear governance are essential.

6. Ethical, Legal and Governance Considerations

Consumer journey data can include identity, location, browsing behavior, purchases, inferred interests and sensitive life circumstances. Responsible insight mining requires informed notice, lawful processing, appropriate consent where required, restricted access, secure retention and deletion mechanisms. Firms should collect data for legitimate purposes rather than treating every observable behavior as fair game.

Personalization becomes ethically problematic when it exploits vulnerability, conceals persuasive intent, uses discriminatory segmentation or makes refusal difficult. Dark patterns—including hidden fees, confusing consent interfaces, forced continuity and obstructive cancellation—may increase short-term conversion while damaging autonomy and trust.

Important governance questions include:

  • Can customers understand how their data is used?
  • Can they correct, access or delete relevant information where applicable?
  • Are automated decisions explainable and contestable?
  • Does the firm avoid targeting children or vulnerable groups irresponsibly?
  • Are accessibility and inclusion considered across channels?
  • Are incentives encouraging employees to solve problems or merely suppress complaints?

Ethical journey design treats the customer’s long-term welfare as part of business performance. Trust is not only a communication outcome; it is produced by policies, interfaces, pricing, fulfillment and recovery practices.

7. Illustrative Case: Northstar Home Energy

Background

Northstar Home Energy, a fictional regional provider, sells smart thermostats and installation services. Marketing data showed strong website traffic and high product awareness, yet completed installations were declining. Customer comments suggested that buyers found the product attractive but were uncertain about compatibility, installation effort and data privacy.

Problem

The company viewed the issue as a promotional weakness and planned additional advertising. A journey investigation instead asked where customers lost confidence and whether the problem differed by involvement level.

Analysis

Researchers combined website analytics, 24 customer interviews, installation-call recordings, store observation and complaint-text analysis. The journey map revealed four critical moments:

  1. Compatibility search: Customers could not easily determine whether the thermostat worked with their heating system.
  2. Risk evaluation: Advertising emphasized savings but provided little evidence about installation complexity or privacy.
  3. Checkout: Customers selected online purchase, but installation availability was revealed late.
  4. First use: The mobile setup process required permissions that were not explained clearly.

The problem was not simply low awareness. It was a high-involvement decision with functional, financial and privacy risks. The firm had optimized acquisition while underinvesting in reassurance and onboarding.

Approach and Solution

Northstar introduced a compatibility checker, displayed total installed price earlier, offered an installation appointment before payment, published a plain-language data-use explanation and created a guided setup mode. Customer-service employees received authority to resolve scheduling failures without multiple transfers. The company also revised its dashboard so that marketing, operations and service teams shared the same stage definitions.

Outcome

In this illustrative case, completed installations increased after the changes, but the most important learning was diagnostic: reducing uncertainty at the evaluation and purchase moments produced greater improvement than increasing advertising reach. Follow-up research also found that some customers valued energy savings while others valued environmental identity or remote-control convenience. The firm therefore redesigned messages around distinct customer jobs rather than one generic promise.

Learning Points

  • High traffic does not imply a healthy journey.
  • Compatibility, total cost and implementation effort are part of the product experience.
  • Privacy concerns can function as purchase barriers.
  • Cross-functional problems require cross-functional ownership.
  • Journey improvements should be evaluated through both behavioral outcomes and customer understanding.

8. Managerial Framework for Journey Improvement

A practical journey-improvement process has six steps:

  1. Define the customer goal. Specify the job, context, segment and desired outcome.
  2. Collect journey evidence. Combine behavioral, attitudinal, operational and qualitative sources.
  3. Locate friction and value. Identify uncertainty, effort, emotional peaks, failures and distinctive benefits.
  4. Prioritize moments of truth. Consider customer importance, frequency, business impact and feasibility.
  5. Redesign the system. Change product, process, channel, employee support, information or policy—not merely the message.
  6. Test and govern. Measure outcomes, examine unintended effects, protect data and establish accountable ownership.

A graduate-level analysis should also ask whether an observed improvement is causal, whether it generalizes across segments and whether it creates trade-offs. Faster conversion may increase returns. Personalization may improve relevance while reducing privacy. A loyalty program may increase retention while subsidizing customers who would have stayed anyway. Strategic judgment requires examining the whole relationship rather than optimizing one isolated metric.

Chapter Summary

Consumer decision processes begin with need recognition and extend through information search, consideration, evaluation, choice, purchase, consumption and post-purchase behavior. The process is dynamic: customers can revisit stages, use heuristics, respond to context and learn from experience. Involvement and perceived risk determine the amount and type of decision effort. High-involvement decisions typically require evidence and reassurance, whereas low-involvement decisions often depend on habit, salience and convenience.

Customer journeys connect stages to touchpoints across channels. Omnichannel management requires continuity across customer information, promises, inventory, service and experience. Moments of truth deserve special attention because they disproportionately shape trust and evaluation. Satisfaction depends partly on the relationship between perceived performance and expectations, but satisfaction, loyalty, retention and advocacy remain distinct constructs. Switching and complaints reveal both relationship failure and opportunities for learning.

Effective journey insight combines behavioral analytics with qualitative and operational evidence. Ethical practice requires privacy protection, fairness, transparency, accessibility and avoidance of manipulative design. The managerial task is not simply to increase conversion; it is to design coherent, valuable and trustworthy experiences across the entire relationship.

Key Terms

Need recognition: Perception of a gap between a current state and a desired state.

Information search: Retrieval and examination of information relevant to a decision.

Consideration set: Brands or options regarded as serious candidates for choice.

Involvement: Perceived personal relevance or importance of a decision.

Perceived risk: Expected possibility and seriousness of undesirable consequences.

Heuristic: A simplified decision rule used to reduce cognitive effort.

Compensatory rule: Choice rule in which strength on one attribute can offset weakness on another.

Noncompensatory rule: Choice rule requiring minimum standards or sequential elimination.

Choice: Selection of an option from alternatives.

Consumption: Use or experience of a product or service.

Disconfirmation: Difference between perceived performance and prior expectations.

Satisfaction: Evaluative response to an experience or relationship.

Loyalty: Repeated behavior and/or attitudinal commitment toward a provider or brand.

Switching: Moving from one provider, brand or solution to another.

Customer journey: Sequence of interactions and experiences through which a customer pursues a goal.

Touchpoint: Interaction with a brand, channel, employee, product or other influence.

Moment of truth: Touchpoint with disproportionate influence on expectations or evaluation.

Omnichannel: Coordinated management of customer experience across connected channels.

Service recovery: Organizational response intended to resolve a failure and restore value or trust.

Journey insight mining: Systematic analysis of behavioral, attitudinal and contextual evidence to improve customer experiences.

Review Questions

5 Short Answer Questions

  1. What is need recognition, and how can it be internally or externally stimulated?
  2. Define a consideration set and explain why awareness alone does not guarantee inclusion.
  3. Distinguish high-involvement from low-involvement decisions.
  4. What is a moment of truth in a customer journey?
  5. Why are satisfaction and loyalty not identical?

5 Long Answer Questions

  1. Explain the complete consumer decision process and discuss why it should be treated as recursive rather than strictly linear.
  2. Compare compensatory and noncompensatory choice rules, giving an example of each.
  3. Explain how perceived risk influences search, evaluation and marketing strategy.
  4. Describe how an omnichannel journey map differs from a collection of channel-specific funnel reports.
  5. Discuss the ethical risks of using AI and personal data for journey personalization.

3 Analytical / Application Questions

  1. A retailer has high website traffic but low checkout completion. Design a research plan that combines quantitative and qualitative evidence to locate the most important moment of friction.
  2. A subscription service has high satisfaction scores but rising switching. Diagnose at least four possible explanations and propose measures to distinguish among them.
  3. Using the Northstar Home Energy case, design a journey-improvement plan for another high-involvement product. Identify customer risks, moments of truth, evidence sources and success measures.

Multiple Choice Questions with Answers

Question 1

Which sequence best represents the conventional consumer decision process?

A. Purchase, need recognition, disposal, search, evaluation

B. Need recognition, search, consideration, evaluation, choice, purchase, consumption, post-purchase evaluation

C. Awareness, loyalty, complaint, search, purchase, disposal

D. Evaluation, advertising, purchase, need recognition, retention

Correct Answer: B. Need recognition, search, consideration, evaluation, choice, purchase, consumption, post-purchase evaluation

Question 2

A consideration set is best defined as:

A. All brands known by a consumer

B. All products available in a market

C. Brands regarded as serious alternatives for a decision

D. Brands previously purchased by a consumer

Correct Answer: C. Brands regarded as serious alternatives for a decision

Question 3

Which situation most clearly represents a high-involvement decision?

A. Choosing a familiar brand of bottled water

B. Selecting a snack during a routine shopping trip

C. Choosing a postgraduate education program

D. Buying a frequently purchased household cleaner

Correct Answer: C. Choosing a postgraduate education program

Question 4

If perceived performance exceeds prior expectations, the resulting disconfirmation is generally:

A. Positive

B. Negative

C. Zero by definition

D. Unrelated to satisfaction

Correct Answer: A. Positive

Question 5

Which choice rule allows a weakness on one attribute to be offset by strength on another?

A. Conjunctive rule

B. Lexicographic rule

C. Elimination-by-aspects rule

D. Compensatory rule

Correct Answer: D. Compensatory rule

Question 6

What distinguishes omnichannel management from merely offering multiple channels?

A. Omnichannel management eliminates physical stores

B. Omnichannel management coordinates the experience across channels

C. Omnichannel management uses only digital channels

D. Omnichannel management prevents customers from changing channels

Correct Answer: B. Omnichannel management coordinates the experience across channels

Question 7

A company begins with 8,000 customers, ends with 8,600, and acquires 1,200 new customers. What is its retention rate for the period?

A. 75.0%

B. 85.0%

C. 92.5%

D. 107.5%

Correct Answer: C. 92.5%

Question 8

Which statement best describes a moment of truth?

A. Every touchpoint has exactly equal influence

B. A touchpoint that disproportionately shapes trust or evaluation

C. The moment a firm calculates advertising reach

D. A legally required purchase confirmation

Correct Answer: B. A touchpoint that disproportionately shapes trust or evaluation

Question 9

Why should complaint data be combined with other research sources?

A. Complaints are always inaccurate

B. Only satisfied customers provide representative data

C. Vocal complainants may differ from silent defectors

D. Complaint data cannot identify service failures

Correct Answer: C. Vocal complainants may differ from silent defectors

Question 10

Which practice is most consistent with responsible AI-based journey analysis?

A. Collecting all observable data without a defined purpose

B. Using automated decisions without explanation or appeal

C. Applying data minimization, fairness testing and human oversight

D. Targeting vulnerable customers because they are easier to persuade

Correct Answer: C. Applying data minimization, fairness testing and human oversight

Consumer Psychology & Insight Mining
Chapter 8 of 15