Podcast
Questions and Answers
What is the quantitative index that describes both the direction and magnitude of a predictive relationship?
What is the quantitative index that describes both the direction and magnitude of a predictive relationship?
- A correlation coefficient (correct)
- A contingency statistic
- Convergent validity
- A dependent variable
Which quantitative index is most appropriate for predicting students' final exam scores based on their initial test scores?
Which quantitative index is most appropriate for predicting students' final exam scores based on their initial test scores?
- Prediction product
- Correlation coefficient (correct)
- Contingency score
- Covariation cross product
When analyzing survey results created by a sponsoring organization, what action should be taken?
When analyzing survey results created by a sponsoring organization, what action should be taken?
- Examine if the data were selectively analyzed or reported (correct)
- Assume the research is of poor quality
- Ignore the survey results entirely
- Conclude the results are biased in favor of the sponsor
Which of the following is NOT a quantitative index for analyzing relationships between variables?
Which of the following is NOT a quantitative index for analyzing relationships between variables?
What is an important consideration when evaluating survey data from sponsored research?
What is an important consideration when evaluating survey data from sponsored research?
Flashcards
Correlation Coefficient
Correlation Coefficient
A numerical measure of the strength and direction of a relationship between two variables.
Predicting Exam Scores
Predicting Exam Scores
Using a student's first test score to estimate their final exam score.
Quantitative Index of Relationship
Quantitative Index of Relationship
A numerical measure that indicates the strength and direction of a relationship between variables.
Biased Survey
Biased Survey
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Survey Data Analysis
Survey Data Analysis
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Study Notes
Quantitative Index of Predicitive Relationships
- A correlation coefficient measures the direction and strength of a predictive relationship.
Predicting Exam Scores
- A professor using exam scores to predict final exam scores would use a correlation coefficient.
Survey Bias
- Survey results from a sponsoring organization should be assessed for potential bias or selective reporting.
- Do not automatically dismiss the results entirely.
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