When we are testing directional hypotheses, we should:
a. Never use a two-tailed test.
b. Always use a two-tailed test.
c. Use a two-tailed test if we want to be able to reject the null hypothesis in case our findings are in the opposite direction from the one predicted in our hypothesis.
d. None of these.
C
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What type of perspective may assist agency administrators, public officials and policy
makers in learning how policies and laws can impact the individual? a. Strengths Perspective b. Person-In-Environment Perspective c. Policy Perspective d. Systems Perspective
Define negative correlation.
What will be an ideal response?
In a pilot study, Dana wants to test the significance of the improvement in mean scores from pretest to posttest. Dana should use:
a. The one-sample t-Test. b. The paired-samples t-Test. c. The independent-samples t-Test. d. An independent-samples t-Test with change scores.
The term “vested” means
A. an employee is covered by a pension plan. B. a pension plan has been approved by the Pension Benefit Guarantee Corporation. C. an employee has a legal right to receive a pension. D. a pension is used primarily to reward “key employees.”