Consider some of the graphs you've seen in your text or elsewhere. Then imagine an experiment in which researchers compared the effects on problem solving of the administration of either Vitamin D or a placebo. In portraying the results of this experiment, the administration condition would appear on the _____-axis; a ______ graph would be most appropriate.
A)x; bar
B)x; line
C)y; bar
D)y; line

Question

Quizplus · Accepted Answer

The administration condition (either Vitamin D or Placebo) should appear on the x-axis and the dependent variable (effect on problem solving) should appear on the y-axis. A bar graph would be most appropriate for comparing the means of the two groups.

Consider Some of the Graphs You've Seen in Your Text