Roediger and Karpicke (2006) Investigated Whether the Test-Enhanced Learning Effect

question 71

Multiple Choice

Roediger and Karpicke (2006) investigated whether the test-enhanced learning effect (the demonstration that repeated testing improves memory for material) was due merely to repeated exposure to material.They randomly assigned participants to one of two study conditions (study-study or study-test) and to one of three retention interval conditions (final test at a delay of 5 minutes, 2 days, or 1 week) .The dependent variable was the proportion of idea units recalled from an encyclopedia passage.How many cells does this study have?

• A) 2
• B) 4
• C) 6
• D) 10

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Definitions:

Auditory Nerve

The nerve that transmits auditory information from the cochlea in the inner ear to the brain.

Higher-Frequency Sounds

Sounds that have a higher pitch due to their faster vibration rates, typically above the normal human hearing range of 20 to 20,000 hertz.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is responsible for converting sound waves into nerve impulses.

Ossicles

The three tiny bones in the middle ear known as the malleus, incus, and stapes, involved in the transmission of sound.