In which of the following situations might test-retest reliability be particularly important?

• A. A workplace is giving out a survey to examine employee happiness in the summer of 2024.
• B. A research team is developing a new test to measure a stable personality trait.
• C. A research team is developing a new test to measure current mood in patients with mood disorders.
• D. A research team is developing an assessment to measure acute stress response during major life events.