Author Question: The study first introduced in Chapter 9 that was concerned with the effects of varying levels of ... (Read 47 times)

wenmo · **on:** Aug 4, 2018

The study first introduced in Chapter 9 that was concerned with the effects of varying levels of room temperature on typing speed and accuracy employed which type of design?

A) a randomized, posttest-only, control-group design
B) a multilevel, completely randomized, between-subjects design
C) a Solomon four-group design
D) a single-group, posttest-only design

Question 2

In the multilevel, completely-randomized, between-subjects design, participants are

A) randomly assigned to three or more conditions.
B) randomly assigned to two conditions.
C) always tested on a pretest measure.
D) always assigned to groups with equal numbers of participants.