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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.