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Subjects, Participants, and Sampling
Self assessment

1 .       A researcher is studying the effects of television violence on the social behavior of children aged 11-13 years. He selects one hundred junior high school students to take part in his study. These students are referred to as the [Hint]



2 .       Which of the following represent the largest group? [Hint]



3 .       A researcher is doing a study involving college freshmen. Rather than including each and every freshmen at his university in his study, he should use which of the following techniques to select a sample from this population. [Hint]



4 .       It is important to have a complete description of the sample in order to [Hint]



5 .       A math professor wants to divide his freshmen math class of one hundred students into five groups for a study he is conducting. He wants to do this in a way that will avoid ability grouping. Which sampling procedure should he use to assign students to one of the five groups? [Hint]



6 .       A researcher for the local newspaper is conducting a survey in her town. She decides to use the systematic sampling procedure to select a sample of the adult population to participate in her survey. She selects the first name on the list and then every 250th name. Did she use the procedure correctly and why? [Hint]



7 .       “The subjects in this study were the twelve special education students in the school who had a reading age of 7 years. Of the twelve, 5 students were boys, and 7 were girls. Their chronological ages ranged from 13.7 - 15.9 years.” Which sampling procedure was used in this study? [Hint]



8 .       The major concern with the use of non-probability sampling techniques is related to [Hint]



9 .       Subjects in a study who are selected via the purposive sampling procedure [Hint]



10 .       Which type of sampling is being used when a researcher interviews three students who are national merit finalists? [Hint]



11 .       Maximum variation sampling is used to [Hint]



12 .       Which of the following questions represents a way in which sampling can affect a study? [Hint]



13 .       Based on data from questionnaires that were returned by one-fourth of the teachers in the county, the researcher concluded that 90% of teachers did not favor incorporating computers into the classroom curriculum. Is the conclusion correct and why? [Hint]



14 .       Sample bias is defined as [Hint]



15 .       All of the following are criteria for evaluating the Subjects section in a research report EXCEPT [Hint]



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