A relatively permanent change in behavior, knowledge, capability, or attitude that is acquired through experience is __________
a) graduated coding.
b) learning.
c) generalization.
d) blocking.
b
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You must use degree of freedom in calculation of sample standard deviation to correct for the fact that ______.
A. the sample will always contribute fewer scores than the population B. the sample is never going to be representative of the population C. the variance will be bigger as the sample size increases D. the sample is always going to be bigger than the population
According to Sigmund Freud, _______________ is the stage of psychosexual development that is present during the first year of life
a. the oral stage b. the anal stage c. the phallic stage d. the latency stage
What are the symptoms of obsessive-compulsive disorder (OCD)? What evidence of a brain abnormality has been found to explain some cases of OCD?
What will be an ideal response?
A memory-boosting pill is being tested to see if it is effective. Thirty college students are randomly assigned to three groups. Group A includes 10 students who receive one of the memory-boosting pills, Group B includes 10 students who receive a placebo, and Group C receives two memory-boosting pills. Students are instructed to take the pill(s) every morning when they wake up for a month, after which they take a memory test. What test would be most appropriate to determine whether the pill was effective?
a. One-way, between-groups ANOVA b. Independent-samples t-test c. Correlation d. Linear regression