Social Studies, 20.09.2020 15:01 neariah24
Dr. DeVries is interested in measuring how practice in problem solving affects this ability. The population of interest is high school seniors, and the sample consists of students who attend an exclusive college preparatory school. Half of the sample receives practice in solving particular types of problems, while the other half does not. Both groups take the same problem-solving test. Which of the following might best explain why Dr. DeVries may not be able to generalize his findings?
A) He is not taking into account how the scores on the test might deviate from one another.
B) His data may be positively skewed.
C) He should have conducted his experiment in a lab instead of a natural setting.
D) His sample is not representative of the population.
Answers: 1
Social Studies, 22.06.2019 09:50
Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population.the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors.the new research would need full review by a convened irb because children are a protected population.unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.
Answers: 1
Social Studies, 22.06.2019 16:30
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Social Studies, 22.06.2019 20:30
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Social Studies, 22.06.2019 20:30
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Dr. DeVries is interested in measuring how practice in problem solving affects this ability. The pop...
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