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Describe how researchers can operationally define stress using physiological measures rather than relying on self-report questionnaires, and provide two specific examples of biological variables that can be recorded.
Question: Describe how researchers can operationally define stress using physiological measures rather than relying on self-report questionnaires, and provide two specific examples of biological variables that can be recorded.
Sample answer: Researchers can operationally define stress by measuring specific biological variables within the body to quantify the stress response. This provides an alternative to self-report questionnaires. Two specific examples include recording elevated blood pressure levels and measuring increased concentrations of the stress hormone cortisol.
Key points:
- States that stress can be operationally defined using physiological measures.
- Mentions that this involves recording specific biological variables within the body.
- Contrasts this physiological approach with relying solely on self-report questionnaires.
- Identifies elevated blood pressure levels as one specific example.
- Identifies increased concentrations of the stress hormone cortisol as a second example.
Rubric: Full credit requires identifying that physiological measurement involves recording biological variables in the body to quantify stress, and explicitly naming both blood pressure and cortisol levels as examples.
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Research Methods in Psychology - 4th American Edition @ KPU
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