Which of the following characterizes single-parent families headed by men?
A. they experience greater financial freedom than do the families of single-mothers
B. single-parent fathers experience role strain in different ways from single mothers
C. there are changes in the parent-child relationship
D. all of the above are correct
E. the first and third choices only
D
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In the following scenarios, indicate whether the researcher is investigating validity or reliability:
a. A researcher developed a measure of achievement motivation and then compared students judged to have high need to achieve with students judged with low need to achieve to see if they performed differently on the motivation measure. b. A researcher administered a test to a sample of students. He administered the same test six weeks later and correlated the results of the two administrations. c. A researcher administered a test of teaching ability to a group of graduating college seniors in a school of education and then at the end of their first year of teaching correlated their test scores with principals' ratings of their teaching effectiveness. He found a moderate correlation.
Which educational setting provides special education services for a portion of the day?
a. Separate class b. Full inclusion c. General education class d. Separate school e. Resource room
Reading comprehension requires which of the following?
a. vocabulary knowledge b. thinking skills c. reasoning skills d. All of the above.
Which of the following research situations is most likely to use a within-subjects design?
a. Evaluation of the effectiveness of an exercise program by measuring how much weight is lost during 6 months of strength training. b. Evaluation of the effectiveness of a blood pressure medication by comparing blood pressure before and after the medication. c. Evaluation of the difference in verbal skills between 3-year-old girls and 3-year-old boys. d. Evaluation of the development of verbal skills for a group of 2-year-old girls and a separate group of 3-year-old girls.