Dr. Martinez is doing a research study examining the effects of a new headache medication on migraine pain. He decides to divide his participants up into four subject groups,
each one of which will receive a different amount of medication to take when they have a migraine. The participants in group one receive a pill with 10 milligrams of the experimental medication, while the participants in group two receive a pill with 20 milligrams. Those assigned to group three receive a pill with 30 milligrams, while those in group four receive a placebo pill that has zero milligrams of the medication. Which of the subject groups is the control group in this study?
a. Group one
b. Group two
c. Group three
d. Group four
Answer: D
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When a child experiences pleasure with a person, or experiences comfort from that person when in distress, it is said that the child has __________.
A. made a friend B. formed an attachment C. found a parental figure D. learned not to be lonely
Even brief first impressions have better than chance accuracy
a. True b. False Indicate whether the statement is true or false
A quality of a measure that leads to meaningful conclusions (i.e., the measure measures the concept it was designed to measure) is called ____
a. reliability b. variability c. statistical significance d. validity
For some animals, certain combinations of conditioned and unconditioned stimuli that are more easily associated are called:
A. species-specificity B. preparedness C. discrimination D. classical conditioning