A disadvantage of the cross-sectional research design is the possibility of ______.
A. generation effects
B. attrition
C. maturation
D. selection differences
Answer: A
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Which of the following occurs when drugs are administered to patients with schizophrenia?
A. Drugs that increase dopamine (agonists) cause an increase in schizophrenic behavior. B. Drugs that decrease dopamine (antagonists) decrease schizophrenic symptoms. C. Both a and b D. Neither a nor b
The average American holds seven to eight different jobs between the age of 18 and 30
Indicate whether this statement is true or false.
The developmental researcher(s) who conducted the classic study regarding the "visual cliff" was/were ________
a) Pavlov b) Skinner c) Bandura d) Gibson and Walk
One important advantage of using effect sizes is that
A) they indicate all the relevant parameters of a group of scores. B) they directly indicate the statistical significance of the research hypothesis. C) they provide the same information as statistical significance, but they permit meta-studies. D) they are standardized scores that make comparisons of different studies easier.