If you wanted to determine whether people are faster at responding to a high intensity light than to a low intensity light you might do an experiment in which participants push a button whenever either a high or low intensity light occurs. If you were concerned with order effects such as learning but also concerned that an equal number of low- and high-intensity trials be presented, you might use
A) randomization within blocks.
B) control variables.
C) a confounding variable.
D) reverse ordering.
A
Psychology
You might also like to view...
Do stereotypes ever change? Under what circumstances might we expect stereotypes to change? Who is more likely (and who less likely) to hold on to a stereotype?
What will be an ideal response?
Psychology
Assuming the "rubber yardstick" shrinks and expands at random, what can be said about the distribution of scores from the rubber yardstick?
a. It will have a mean of zero (0). b. It will be normal. c. It will have a standard error of zero (0). d. It will be skewed.
Psychology