Decision-making models in cognitive psychology explore how we make choices. Normative models prescribe ideal decisions, while descriptive models explain real-world choices. These approaches highlight the gap between rational ideals and human limitations.
Rational choice theory assumes clear preferences and complete information. However, bounded rationality recognizes our cognitive constraints. This leads to and using . Different models suit various contexts, from quick personal choices to complex professional decisions.
Decision-Making Models in Cognitive Psychology
Normative vs descriptive decision models
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Normative models prescribe ideal decision-making based on logic and math principles assume full rationality
Descriptive models explain actual decision-making based on empirical observations account for cognitive biases and limitations
Key differences: ideal vs realistic approaches, theoretical vs practical applications, prescriptive vs explanatory nature
Examples: (normative) vs (descriptive)
Components of rational choice theory
Preferences represent clear stable set of desires guide decision-making process
Options encompass available choices or alternatives to be evaluated
Consequences outline potential outcomes associated with each option
Utility measures satisfaction or value derived from each consequence
Assumptions include complete information, transitivity of preferences, independence of irrelevant alternatives
Decision-making process involves:
Identifying all possible options
Evaluating consequences of each option
Assigning utilities to consequences
Choosing option with highest expected utility
Examples: Consumer choosing between products, investor selecting stocks
Bounded rationality in decision-making
Limited rationality due to cognitive constraints and environmental factors affects real-world decisions
Satisficing involves choosing first satisfactory option rather than optimal one (job search)
Heuristics serve as mental shortcuts to simplify complex decisions ()
Cognitive limitations restrict information processing capacity impact decision quality
Time constraints pressure quick decisions may lead to suboptimal choices (emergency situations)
Limited information results in incomplete knowledge affects decision accuracy (medical diagnoses)
Cognitive biases cause systematic deviations from rationality influence judgments ()
Implications: decisions may not be optimal, emphasis on "good enough" solutions, recognition of human limitations
Effectiveness of decision models
Personal contexts: Intuitive models effective for familiar, low-stakes decisions (choosing lunch)
Pros: Quick, based on experience
Cons: Prone to biases, may overlook important factors
Professional contexts: Analytical models suitable for complex, high-stakes decisions (business strategy)
Pros: Systematic, evidence-based
Cons: Time-consuming, may overlook intuitive insights
Societal domains: Collaborative models effective for decisions affecting diverse groups (public policy)
Hybrid approaches combine multiple models for balanced decision-making integrate intuitive and analytical thinking
Examples: Using both data analysis and expert opinions in healthcare decisions, combining cost-benefit analysis with stakeholder input in urban planning