To ensure that a difference between experimental and control groups is not due to differences prior to the experiment, what must we do?
a. mundane realism
b. eliminate demand characteristics
c. random assignment of participants
d. double-blind
e. all of the above
Ans: C
You might also like to view...
Which associations do animals generally learn most easily? a. They associate lights and sounds with illness and foods with pain
b. They associate lights and sounds with pain and foods with illness. c. They associate lights and sounds with social stimuli and foods with cognitive stimuli. d. They associate lights and sounds with cognitive stimuli and foods with social stimuli.
The barbiturates are examples of a group of drugs that is classified by ___________
a. chemical structure b. mechanism of action c. origin d. therapeutic use
After Rajat had a stroke, he could not recall simple words. After a few months, he was speaking almost normally. What attribute of the brain accounts for his recovery?
a. Corpus callosum b. Visual-spatial sense c. Plasticity d. Hippocampus
Which of the following statement is an example of two-tailed hypothesis?
A. Vitamin C makes people unhappy. B. Vitamin C improves people's mood. C. Vitamin C changes people's mood. D. Vitamin C has no impact on people's mood.