A parametric inferential statistical test of the null hypothesis for a single sample where the population variance is known is the _____
a. t test
b. standard deviation
c. z test
d. standard error test
c
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Research has shown cognitive behavioural therapy to be more effective than is medication for treating:
A) generalized anxiety disorder. B) major depressive disorder. C) posttraumatic stress disorder. D) insomnia.
With regard to intelligence tests, such as the Wechsler and Binet scales, it can be concluded that
a. these intelligence tests have been found to be fair for all cultures. b. there are rather large inequities based on age and gender. c. Eastern cultures, such as China and Japan, score much higher than all Western cultures. d. these intelligence tests may not be equally valid for all groups.
Salma is a 10-month-old who is being tested on the visual cliff. We would expect her to
cry throughout the testing. cross over the visual cliff. refuse to cross over the visual cliff. slide down the slope.
Your mother has breast cancer and went through a very difficult treatment program, but is doing well now. You are a young woman who smokes; what can you do to ensure that you lower your risks of breast cancer?
a. Stop smoking immediately! b. Perform self-exams monthly. c. Start an exercise program. d. Eat soy-based foods.