Causal-comparative or ex post facto research is widely used because
a. such studies have greater internal validity than do quasi-experimental studies.
b. the law of the single significant independent variable can be more readily applied in ex post facto research than in experimental research.
c. it is not possible to experimentally manipulate many variables of interest .
d. Campbell and Stanley are exuberant in their praise of ex post facto research.
C
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An omnibus interview is narrow in scope and focus
Indicate whether the statement is true or false
Which of the following is/are not related services that may be included in an IEP? (May be more than one answer)
a. Counseling b. Surgically implanted devices (e.g., cochlear implants). c. Complex health services (e.g., one-to-one nursing services) d. Services performed by a physician
Being open and honest with students, emphasizing how much alike we all are, and encouraging a buddy system are all ways to
a. improve social skills. b. structure interactions between students. c. enhance social acceptance. d. prepare students for inclusion.
Answer the following statement(s) true (T) or false (F)
The population is drawn from the sample.