When there is a failure to reject Ho then one may assume that the two sample
groups represent a common population.
Indicate whether the statement is true or false
T
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In an experiment, researchers exposed half of the participants to loud noise during a memory-encoding task. The room was quiet for the other half of the participants. Later, all participants were given a memory test and the number of correct items recalled was obtained for each participant. What is the independent variable?
A) the number of items recalled B) the noise level during the encoding task C) the time interval between encoding and recall D) the probability of being assigned to the two groups
Writing about one's feelings tends to
a. lead to mild depressions. b. leave the mind clearer so one can come up with effective coping strategies. c. cause one to become unrealistically optimistic about life. d. be a poor substitute for social support in reducing stress levels.
Developing countries in which of the following regions have the largest number of seriously malnourished children?
A) south Asia B) north Africa C) South America D) the Pacific Islands
Boys' sociodramatic play tends to involve activity and themes of danger and conflict.
Answer the following statement true (T) or false (F)