All of the following are accurate statements regarding random assignment EXCEPT __________
a) it is a procedure for assigning people to experimental and control groups
b) it is a procedure in which each participant has the same possibility of being assigned to a given group
c) it is a procedure in which paticipants are assigned to a positive correlation or a negative correlation condition
d) it is a procedure that allows individual characteristics to be roughly balanced between groups
ANS: C, Participants can never be assigned to a type of correlation.
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Which of the following statements is true about the cross-sectional design?
A) Researchers are not concerned with cohort effects. B) Researchers are not concerned with selective attrition. C) It is rarely used because it is so time-consuming. D) Researchers are concerned with both practice and cohort effects.
Which of the following is most likely to produce complete forgetting from long-term memory?
a) Alzheimer's disease or strok b) Passage of time without rehearsal c) Overriding of memory by new learning d) Lack of adequate cues