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

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