The most important criterion for selecting participants in a qualitative study is to select those who can
a. provide information about the topic and setting being investigated.
b. provide a representative sample of the target population.
c. increase the dependability of the study.
d. increase the transferability of the study's findings.
A
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Not a consequence in Real Discipline:
A. compensation. B. improvement plan. C. removing rewards. D. teaching younger children.
Answer the following statement(s) true (T) or false (F)
1. History as a threat to internal validity is really about how participants in a program change as they mature. 2. Selection is a possible threat to the internal validity of research designs, even where there is no control group. 3. Testing as a threat to internal validity is about participants in a program doing better on the posttest, based on their knowing the instrument from having taken a pretest with it. 4. Instrumentation as a threat to internal validity is about the measuring instrument being changed from the pretest to the posttest. 5. Statistical regression as a threat to internal validity is about the incorrect use of statistical methods in correlating independent variables with dependent variables.
______________________________________ involve having children take apart words, phrases, and sentences, and then recreating them.
a. Play plans b. Search for words c. Dissecting words d. Reporting shared writings
A social psychologist is working with a child psychologist to study the effects of different behavioral interventions on aggressive behavior in children. They randomly select twenty-five children. Each child is observed by a "blind" observer who counts the number of aggressive acts committed by the child. For three weeks, aggressive behavior by all children is ignored by the psychologist (Extinction). For three weeks, aggressive behavior results in a time-out of two minutes (Time-out). For three weeks, aggressive behavior is ignored and non-aggressive behavior is rewarded with praise (Differential reinforcement). Order of treatment is varied. The data are ranks of each child at the end of each three-week period. The researchers are interested in whether type of behavior treatment has an
effect on aggressive behavior. What non-parametric test would you choose to answer the question? What will be an ideal response?