A distribution of scores has a mean of ? = 50 . One new score is added to the distribution, and the new mean is found to be ? = 48 . From this result, you can conclude that the new score was _____
a. greater than 50
b. less than 50
c. equal to 48
d. cannot answer from the information given
B
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The Individuals with Disabilities Act in the United States requires which of the following?
a. Public schools must annually retest the IQ of any child who appears to be disabled. b. Public schools must keep all IQ scores strictly confidential. c. Public schools must put all children with disabilities into special classrooms. d. Public schools must provide free, appropriate education for all students.
Researchers are attempting to assess if cognitive behavioural therapy (CBT) is an effective treatment for depression. Participants with unipolar depression are assessed and then randomly assigned to either a treatment group or a control group. The treatment group receives CBT twice per week for 6 weeks. The control group receives no treatment. At the end of the 6 weeks, the depression levels of
both groups are reassessed. This study found that CBT treatment was more effective than no treatment but is limited because it did not control for A) natural improvement. B) placebo effects. C) preexisting differences among participants. D) participant gender.
A(n) ____________________ is a short summary of a research report
Fill in the blank(s) with correct word
In a series of conditioning experiments, a psychologist discovered that a rat readily made an association between the taste of flavored water and illness, but did not make an association between the taste of flavored water and a painful shock. The phenomenon called _____ best explains this example.
a. latent learning b. stimulus discrimination c. biological preparedness d. instinctive drift