Learn Before
Case Study

Explain why 'optimism' should be classified as a psychological construct rather than a simple variable, and describe why the first researcher's proposed measurement of observing a single smile is inadequate based on this classification.

Case context: A research team is designing a study to measure 'optimism' in college students. One researcher suggests simply recording whether a student smiles during a brief interview, arguing this is a straightforward measurement of optimism. A second researcher disagrees, stating that optimism must be understood as a psychological construct.

Question: Explain why 'optimism' should be classified as a psychological construct rather than a simple variable, and describe why the first researcher's proposed measurement of observing a single smile is inadequate based on this classification.

Sample answer: Optimism is a psychological construct because it is a complex variable that serves as a theoretical summary of intricate sets of internal and external processes. The first researcher's proposal is inadequate because smiling is an isolated action. A construct like optimism cannot be directly observed through a single behavior; it represents broad behavioral tendencies and involves hidden internal processes, such as specific thoughts, feelings, and nervous system activities.

Key points:

  • Optimism is a complex variable that acts as a psychological construct.
  • Constructs cannot be directly observed through a single isolated action like smiling.
  • Optimism represents broad behavioral tendencies.
  • Constructs involve hidden internal processes, such as thoughts and feelings.
  • A single behavior fails to encapsulate the theoretical summary required for a construct.

Rubric: A complete response must explain that optimism is a complex variable acting as a theoretical summary, state that observing a smile is an isolated action, and detail that constructs require measuring broad behavioral tendencies and hidden internal processes.

0

1

Updated 2026-05-27

Contributors are:

Who are from:

Tags

KPU

Research Methods in Psychology - 4th American Edition @ KPU

Related