A Professor Computes the Mean Difference in Exam Scores Before

question 63

Multiple Choice

A professor computes the mean difference in exam scores before and after a lecture as 9.0±14.5 ( ) ,and this difference was significant.What is the effect size for this result using estimated Cohen's d?

• A)d = 0.62 (medium effect)
• B)d = 1.61 (medium effect)
• C)d = 0.62 (large effect)
• D)d = 1.61 (large effect)

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Definitions:

Inferior Colliculi

A part of the midbrain involved in auditory processing and plays a critical role in sound localization.

Auditory Pathways

The auditory pathways are neural pathways in the brain that carry sensory information from the ear to the auditory cortex, enabling sound perception and processing.

CNS

The CNS, or Central Nervous System, consists of the brain and spinal cord, serving as the main processing center for the entire nervous system.

REM Sleep

A stage of sleep characterized by rapid eye movements, more dreaming, and bodily movement; important for learning and memory consolidation.