Jorge Studies the Effects of Mnemonic Training on Learning Vocabulary

Multiple Choice

Jorge studies the effects of mnemonic training on learning vocabulary. He randomly assigns one group to a no treatment control and he gives mnemonic training to the other group. He assesses them at the end of the study and compares how many words they know. Which of the following designs is Jorge best illustrating?

A) Pretest-posttest control group design
B) Nonequivalent group control group design
C) Posttest-only control group design
D) Time series design