A researcher examining academic performance among high school students demonstrates that there is a strong positive correlation between students' community involvement and their grade point averages. Does this correlation demonstrate that increasing community involvement will increase grade point averages?
A. Yes, because strong positive correlations demonstrate causal relationships.
B. Yes, because grade point averages are strongly correlated with academic performance.
C. No, because a negative correlation would have demonstrated that increasing community involvement will increase grade point averages.
D. No, because the findings do not rule out the possibility that a third factor could affect community involvement and grade point averages.
Answer: D
You might also like to view...
The effect of World War I on the evolution of psychological testing was to ____.?
a. ?establish a hospitable environment for such endeavors b. ?identify the need for "culture fair" tests c. ?establish a baseline of racial differences in IQs in the United States d. ?refute the assumption that illiterates are mentally retarded e. ?pave the way for aptitude tests for high-school students
What physiological event has been associated with the acquisition of Piaget's formal operation stage of thinking?
a. A spurt in brain development b. Menopause c. Increased levels of androgens d. Spermarche
According to the discussion of the history of research on mental imagery,
a. the early behaviorists rejected research about mental imagery, but they began to conduct imagery research during the early 1950s. b. the topic of mental imagery has consistently been more popular in the United States than in Europe. c. the popularity of mental imagery increased as cognitive psychology became more influential. d. surprisingly, theorists and researchers did not mention mental imagery until about 1930.
Regarding overeating, which of the following statements is FALSE?
a. Restaurant foods in the United States are higher in fat and calories than meals made at home. b. If internal needs alone controlled eating, fewer people would overeat. c. Dieting speeds up the body's rate of metabolism. d. People are sensitive to dietary content with sweetness, high fat content, and variety tending to encourage overeating.