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EVALUATING STUDIES SCORING GUIDE
EVALUATING STUDIES SCORING GUIDE GRADING RUBRIC
Criteria Non-performance Basic Proficient Distinguished
Criteria
Assess the appropriateness of a sample to represent a population.
Non performance
Does not describe the sample.
Basic
Describes the population and the sample, but does not assess th
e appropriateness of the sample.
Proficient
Assesses the appropriateness of a sample to represent a population.
Distinguished
Assesses the appropriateness of a sample to represent a population, and explains how the margin of error is affected by the sample size.
Criteria
Explain the rationale for using a particular sampling technique.
Non performance
Does not identify sampling techniques.
Basic
Identifies sampling techniques, but does not explain the rationale for using them.
Proficient
Explains the rationale for using a particular sampling technique.
Distinguished
Explains the rationale for using a particular sampling technique, and compares this to other sampling techniques.
Criteria
Interpret the meaning of the confidence interval in the context of survey results.
Non performance
Does not describe the confidence interval.
Basic
Describes the confidence interval without interpretation of its meaning.
Proficient
Interprets the meaning of the confidence interval in the context of survey results.
Distinguished
Interprets the meaning of the confidence interval in the context of survey results, and explains how the margin of error might have been affected by changes to the study design.
Criteria
Evaluate the impact of question wording on participants’ responses.
Non performance
Does not describe the wording of the questions asked.
Basic
Describes the wording of the questions asked.
Proficient
Evaluates the impact of question wording on participants’ responses.
Distinguished
Evaluates the impact of question wording on participants’ responses, and posits how differently worded questions might have impacted the statistical results.
Criteria
Evaluate a study for evidence of bias.
Non performance
Does not describe potential sources of bias.
Basic
Describes potential sources of bias, but does not evaluate a study for evidence of bias.
Proficient
Evaluates a study for evidence of bias.
Distinguished
Evaluates a study for evidence of bias, and explains how it either avoided bias or might have avoided bias.
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