Andy Conducts a Study to Improve Reading Scores in Elementary

question 61

Multiple Choice

Andy conducts a study to improve reading scores in elementary schools. He obtains a sample of second-graders whose reading level was very much below average. He enrolls these students in a reading program and then measures their reading level six months later. Reading levels were significantly higher after the program than before. Because Andy selected participants on the basis of their extreme scores, he should be concerned about

• A) diffusion of treatment.
• B) statistical regression.
• C) temporal generalization.
• D) instrumentation.

Understand the identification and impact of outliers in a dataset.

Understand the influence of myths and common beliefs on public perception.

Comprehend the characteristics of a useful theory.

Grasp probability principles and their application to real life contexts.

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Definitions:

Retrospective Analysis

A psychological autopsy in which clinicians and researchers piece together information about a person’s suicide from the person’s past.

Suicide

A self-inflicted death in which the person acted intentionally, directly, and consciously.

Limitations

Factors that restrict the scope, extent, or applicability of research findings or a person's abilities.

At Risk

Refers to individuals or groups more likely to experience negative outcomes due to various factors, such as environmental, genetic, or social.