Which is not a characteristic of the Solomon four-groups design?
a. All four groups receive posttest.
b. It is possible to evaluate the effects of testing, history andmaturation
c. The two experimental groups receive pre-tests.
d. A major difficulty is finding enough subjects to randomly assignthem to four equivalent groups.
C
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Refer to Exhibit 13-3. The coefficient for which the coefficient of determination equals .64?
a. r = +.80 N = 80 c. r = -32 N = 40 b. r = +.32 N = 300 d. r = -.87 N = 80
Consider the graph below. This shows the results of an experiment training condition as the independent variable and employee IQ as the covariate.
What does the graph indicate?
A. Although the independent variable has had an effect on the dependent variable, the covariate is the more likely explanation of effect. B. The training condition has altered IQ. C. IQ has altered learning condition. D. Not enough information.
Which of the following can be used as evidence to judge the external structure of test results?
a. The reliability of the test b. The correlation coefficient between the test and a criterion c. The practicality of the test in terms of cost and efficiency d. The judgments of external content experts
Mr. and Mrs. Gordon refuse to consent to the receipt of special education and related services. In this situation, which of the following is an IDEA requirement of local school districts?
a. The district shall be required to be in violation of the requirement to provide FAPE. b. The district shall be required to reconvene an IEP meeting. c. The district shall not be required to develop an IEP. d. The district shall be required to provide counseling to the parents.