A Researcher Asks Students to Record in a Journal the Emotions

question 71

Multiple Choice

A researcher asks students to record in a journal the emotions they experience every hour. She finds that over time, the descriptions become shorter and less detailed. What may be responsible for this change in performance?

• A)Regression toward the mean
• B)Cohort effect
• C)Instrument decay
• D)Selection bias

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Definitions:

Locomotion

Movement from one place to another.

Neuron's Cell Body

The part of a neuron that contains the nucleus and the bulk of the cytoplasm, responsible for the cell's metabolic activity.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Pincer Grasp

The coordination of the index finger and thumb to hold an item, an important developmental milestone in infants.