Consumer Decision Process Model
The Consumer Decision Process Model is a framework that explains how consumers make purchase decisions. Developed by John Dewey in 1910 and later expanded by Engel, Blackwell, and Kollat in 1968, this model breaks down the complex journey of purchasing into five distinct stages that consumers go through when making a purchase decision. Understanding this process is crucial for marketers and businesses as it provides insights into consumer behavior and helps develop more effective marketing strategies.
The Five Stages of Consumer Decision Making
This occurs when a consumer identifies a need or problem. The consumer recognizes a gap between their actual state (current situation) and their ideal state (desired situation). This recognition can be triggered by either internal stimuli (such as hunger or thirst) or external stimuli (such as advertising or seeing a product).
Once a consumer recognizes a need, they begin searching for information about possible solutions. This can involve internal search (recalling past experiences and knowledge) or external search (seeking information from friends, family, the internet, or other sources).
During this stage, the consumer compares different products/brands that could satisfy their identified need. They evaluate alternatives based on various criteria and attributes that are important to them, such as price, quality, brand reputation, and features.
After evaluating alternatives, the consumer makes a purchase decision. This may be influenced by preferences, budget constraints, and situational factors. However, even at this stage, the purchase may still be interrupted by other factors such as out-of-stock situations or negative feedback.
The consumer's reaction after purchasing determines whether they will be satisfied or dissatisfied with the purchase. This assessment affects future purchase decisions and can lead to positive word-of-mouth or negative reviews, influencing other consumers' decisions.
Detailed Analysis of Each Stage
Problem Recognition
Problem recognition is the crucial first step in the consumer decision-making process. It occurs when there is a discrepancy between the consumer's actual state and their desired or ideal state. This can manifest as a functional need (the product serves a utilitarian purpose) or an expressive need (the product satisfies social or psychological requirements).
Example: A consumer realizes their smartphone is running slowly and frequently crashes (actual state) compared to the smooth performance they desire (ideal state). This recognition triggers the decision-making process for a new phone.
Problem recognition can be stimulated by internal factors like physiological needs (hunger, thirst), external factors through marketing efforts (advertisements, sales promotions), or environmental changes (a new job requiring professional attire). Marketers often aim to identify unmet needs and create campaigns that trigger problem recognition among target consumers.
Information Search
Once a problem is recognized, consumers typically begin searching for information that might help solve the problem. The nature and extent of this search depend on various factors including the importance of the purchase, the consumer's knowledge and experience with the product category, and the time available for the decision.
Example: In our smartphone scenario, the consumer might start by asking friends about their phones and experiences, reading online reviews, comparing specifications on manufacturer websites, and visiting electronics stores to see models in person.
Information search typically involves two components:
- Internal search: Retrieving information from memory about previous experiences with the product or brand
- External search: Actively seeking information from outside sources including friends, family, influencers, retailers, the internet, and media
The intensity of information search can vary significantly based on the level of involvement in the purchase. High-involvement purchases (expensive, infrequent, or high-risk purchases) typically trigger more extensive information searches.
Evaluation of Alternatives
After gathering information, consumers evaluate the different alternatives to determine which product best fulfills their needs. This evaluation process varies depending on the consumer, the product category, and the purchase situation.
Example: The smartphone shopper might compare models based on criteria such as camera quality, battery life, operating system, price, brand reputation, and aesthetics. They might narrow their options to three finalists before making a final selection.
During this stage, consumers develop a set of evaluative criteria for assessing alternatives, which may include both objective attributes (price, specifications) and subjective factors (brand image, aesthetic appeal). The importance of each criterion varies among consumers and can be influenced by cultural, social, personal, and psychological factors.
Consumers typically use decision rules when evaluating alternatives:
- Compensatory rule: Good performance on one attribute can compensate for poor performance on another
- Non-compensatory rule: Products that don't meet certain criteria are eliminated regardless of other strong points
Purchase Decision
After evaluating alternatives, consumers form a preference and decide on a specific brand or product. However, converting this preference into an actual purchase can sometimes be challenging.
Example: After careful consideration, the consumer decides to purchase a specific smartphone model. However, they might encounter an out-of-stock situation at the local store, or discover an unexpected sales tax that pushes it beyond their budget, leading them to reconsider.
During the purchase stage, consumers may still be influenced by various factors including:
- Situational factors (time pressure, store atmosphere, availability)
- Social factors (presence of others, salesperson influence)
- Psychological factors (mood, impulse control)
Marketers must ensure that the conversion from intention to purchase is smooth, addressing potential barriers that might prevent consumers from following through with their intended purchase.
Post-Purchase Behavior
After purchase, consumers experience the product and evaluate whether it met their expectations. This stage significantly affects future purchase decisions and brand loyalty.
Example: If the new smartphone performs well and enjoys the user experience, they will likely be satisfied and may recommend it to others. If there are issues or unmet expectations, they may experience cognitive dissonance (post-purchase regret) and might return the product or avoid the brand in the future.
Cognitive dissonance occurs when consumers feel uneasy after making a purchase decision, especially for expensive or important purchases. They may question whether they made the right choice and seek reassurance that their decision was correct.
Satisfied customers are more likely to become repeat buyers and brand advocates, while dissatisfied customers may engage in negative word-of-mouth that can influence potential customers. The post-purchase evaluation creates a loop back to the beginning of the decision-making process for future purchases, as consumers' experiences inform their problem recognition and information search for subsequent decisions.
Factors Influencing the Consumer Decision Process
Several factors influence how consumers move through the decision-making process:
Product-Related Factors
- Price and perceived risk of the purchase
- Durability and longevity of the product
- Frequency of purchase
Consumer-Related Factors
- Prior experience with the product category
- Personality traits and consumer characteristics
- Motivation and involvement level
Situational Factors
- Time available for the purchase decision
- Shopping environment and social setting
- Economic conditions and personal financial situation
Marketing Implications
Understanding the Consumer Decision Process Model provides marketers with insights to develop more effective marketing strategies:
- Problem recognition stage: Create campaigns that stimulate need awareness and highlight problems consumers might not have recognized
- Information search stage: Ensure brand visibility across relevant information channels and provide easily accessible product information
- Evaluation stage: Clearly communicate product benefits that align with consumer evaluative criteria and differentiate your offering
- Purchase stage: Remove barriers to purchase and provide incentives to convert preferences into sales
- Post-purchase stage: Manage customer expectations, follow up after purchase, and address concerns to enhance satisfaction and loyalty
The Consumer Decision Process Model remains a foundational framework in marketing, helping businesses understand consumer behavior at each stage of the purchase journey. By recognizing where customers are in this process, marketers can develop targeted strategies to influence decision-making effectively while building lasting relationships with consumers.
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