A researcher believes that women today weigh less than in previous years. To investigate this belief, she randomly samples 41 adult women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4 . A local census taken several years ago shows the mean weight of adult women was 115 lbs. The df for determining tcrit = _________
a. 41 c. 39
b. 40 d. need more information
B
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What is Broca's apahsia and which areas of the brain does it affect?
What will be an ideal response?
A theory that explains a wide variety of occurrences with very few explanatory concepts is said to
a. be correct. b. have high heuristic value. c. be parsimonious. d. be precise.
A locality receives a grant for efforts to strengthen families and parenting. A community psychologist leads a discussion of citizens about programs they wish to fund with the money. These decisions are to be made by citizens, not just by professionals. What core value of community psychology below is most directly involved in how these decisions are made?
a. individual and family wellness b. respect for human diversity c. empowerment and citizen participation d. empirical grounding
A statement by 30 prominent social scientists tried to influence the Supreme Court's decision in what case?
A. Plessy v. Ferguson B. Muller v. Oregon C. Dred Scott v. Sandford D. Brown v. Board of Education