Making sure that the sample is chosen such that the population is represented well in the sample can be difficult with ______ samples.
A. large
B. random
C. small
D. convenience
Answer: A
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An infant's vision is about one-tenth to one-third that of an average adult until the baby is 6 months old.
Answer the following statement true (T) or false (F)
The reappearance of conditioned responses after periods of rest between sessions of extinction training is called ____
a. ?dominant presentation b. ?reacquisition c. ?spontaneous recovery d. ?higher order conditioning
Children who live with unmarried cohabiting parents who have close, caring relationships with them and whose union is stable still do not develop as well as their counterparts whose parents' marriage is stable.
Answer the following statement true (T) or false (F)
If a test includes questions that are a representative sample of the material covered in a training course, the test demonstrates evidence of ______.
A. reliability B. validity based on a relation with other variables C. face validity D. validity based on content