Which of these is essential to every correlational study?
A. the ability to focus on just one variable
B. a group of subjects to study
C. the chance to collect responses with maximal impact on the variable of interest
D. a single subject who will agree to in-depth testing
Answer: B
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Which group has the greatest risk for a variety of pregnancy and birth complications?
A. adolescents age 13 to 15 B. adolescents age 15 to 20 C. women age 20 to 25 D. women age 30 and older
Whenever something goes wrong in foreign policy, people say the government should have known that it was making a mistake. This reaction is an example of what?
a. Hindsight bias b. Availability heuristic c. Representativeness heuristic d. Retroactive interference
According to research, the intellectual and educational improvements of the children with autism made appeared to be
A. transient. B. fairly permanent. C. little different from the control group, thus clinically insignificant. D. little different from the control group, but still statistically significant.
What mathematical skills have been pinpointed by researchers as being particularly important indicators of successful achievement in the subject several years later?
Indicate whether the statement is true or false