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

question 96

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 should the analysis of these data be labeled?

• A) 4 × 2 between-groups ANOVA
• B) 2 × 3 within-groups ANOVA
• C) 2 × 3 between-groups ANOVA
• D) 2 × 2 within-groups ANOVA

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Definitions:

Radioactive Sulfur

A form of sulfur that contains isotopes capable of emitting radiation, often used in scientific research to trace chemical and biological processes.

Radioactive Phosphorus

A radioactive isotope of phosphorus, often used in medical and biological research to trace and study the behavior of phosphorus-containing compounds in organisms.

Protein Coat

The protective layer of proteins surrounding the nucleic acid of a virus, also known as a capsid, which helps in the attachment and penetration of host cells.

X-ray Diffraction

Using the diffraction of X-rays, this method unveils the molecular structure by interpreting the scattering pattern that emerges when X-rays pass through a crystalline substance.