Podcast
Questions and Answers
Which of the following best describes factorial validity?
Which of the following best describes factorial validity?
- It measures the external validity of a test
- It measures the consistency of test scores
- It determines the reliability of a test
- It determines if test scores match the theoretical structure of the test (correct)
What does a test's internal structure refer to?
What does a test's internal structure refer to?
- The way the test scores are interpreted
- The way the test is administered
- The way the parts of a test are related to each other (correct)
- The way the test is designed
How does factorial validity help specify what a test measures?
How does factorial validity help specify what a test measures?
- By measuring the external validity of the test
- By determining the reliability of the test
- By determining the number and definition of dimensions underlying the construct of interest (correct)
- By measuring the consistency of test scores
Factorial analysis is a data analytic technique that helps us...
Factorial analysis is a data analytic technique that helps us...
What is the purpose of determining the definitions of the dimensions in factorial validity?
What is the purpose of determining the definitions of the dimensions in factorial validity?
How does factorial validity help with the interpretation of factors?
How does factorial validity help with the interpretation of factors?
Which of the following is considered a compromised score?
Which of the following is considered a compromised score?
What do we want composite scores to be relatively?
What do we want composite scores to be relatively?
Which of the following is an example of a unidimensional test?
Which of the following is an example of a unidimensional test?
What is the key characteristic of a unidimensional test?
What is the key characteristic of a unidimensional test?
Which of the following best describes a unidimensional test?
Which of the following best describes a unidimensional test?
Which of the following best describes correlated multidimensional tests?
Which of the following best describes correlated multidimensional tests?
What is the relationship between items and dimensions in correlated multidimensional tests?
What is the relationship between items and dimensions in correlated multidimensional tests?
Which of the following best describes uncorrelated multidimensional tests?
Which of the following best describes uncorrelated multidimensional tests?
What is the key characteristic of uncorrelated multidimensional tests?
What is the key characteristic of uncorrelated multidimensional tests?
How are scores calculated in uncorrelated multidimensional tests?
How are scores calculated in uncorrelated multidimensional tests?
What is the key characteristic of higher-order models?
What is the key characteristic of higher-order models?
Which of the following is a theoretical difference between factor analysis and component analysis?
Which of the following is a theoretical difference between factor analysis and component analysis?
Which of the following statements is true about the loadings in factor analysis and component analysis?
Which of the following statements is true about the loadings in factor analysis and component analysis?
Which of the following is considered a more sophisticated approach to data reduction?
Which of the following is considered a more sophisticated approach to data reduction?
Which of the following is a key empirical difference between factor analysis and component analysis?
Which of the following is a key empirical difference between factor analysis and component analysis?
What is the defining characteristic of factors in factor analysis?
What is the defining characteristic of factors in factor analysis?
Which of the following statements is true about the correlation between factors and components?
Which of the following statements is true about the correlation between factors and components?
Which type of test score is based on the items of a single dimension?
Which type of test score is based on the items of a single dimension?
Which type of test score combines several common subtests, but not all of them?
Which type of test score combines several common subtests, but not all of them?
What does the dimensionality of a test impact?
What does the dimensionality of a test impact?
Which of the following best describes a total score?
Which of the following best describes a total score?
Which of the following tests is an example of a test with uncorrelated dimensions?
Which of the following tests is an example of a test with uncorrelated dimensions?
How is the psychological meaning of each test dimension determined in factorial analysis?
How is the psychological meaning of each test dimension determined in factorial analysis?
What is the purpose of conducting a PCA twice?
What is the purpose of conducting a PCA twice?
Which of the following best describes a scree plot?
Which of the following best describes a scree plot?
What does an eigenvalue represent in a scree plot?
What does an eigenvalue represent in a scree plot?
What is the purpose of examining a scree plot?
What is the purpose of examining a scree plot?
What is the purpose of communality in factor analysis?
What is the purpose of communality in factor analysis?
What is the expected communality for items in factor analysis?
What is the expected communality for items in factor analysis?
What does uniqueness represent in factor analysis?
What does uniqueness represent in factor analysis?
Which of the following is the expected minimum communality for subscales in factor analysis?
Which of the following is the expected minimum communality for subscales in factor analysis?
Which of the following statements is true about the reliability of items and subscales in factor analysis?
Which of the following statements is true about the reliability of items and subscales in factor analysis?
Which of the following are considered useful component loadings for items in factor analysis?
Which of the following are considered useful component loadings for items in factor analysis?
What is communality in factor analysis?
What is communality in factor analysis?
Which of the following is considered a useful component loading for subscales in factor analysis?
Which of the following is considered a useful component loading for subscales in factor analysis?
What is simple structure in factor analysis?
What is simple structure in factor analysis?
When can you achieve simple structure in factor analysis?
When can you achieve simple structure in factor analysis?
What is the key to achieving simple structure in factor analysis?
What is the key to achieving simple structure in factor analysis?
What are the two main factors that affect the sample size required for principal component analysis?
What are the two main factors that affect the sample size required for principal component analysis?
What is the minimum number of variables per factor required for a sample size of about 150 with component loadings of .20 to be sufficient in principal component analysis?
What is the minimum number of variables per factor required for a sample size of about 150 with component loadings of .20 to be sufficient in principal component analysis?
What is the relationship between the number of variables per factor and the sample size required for principal component analysis?
What is the relationship between the number of variables per factor and the sample size required for principal component analysis?
What is the relationship between communality and required sample size for principal component analysis?
What is the relationship between communality and required sample size for principal component analysis?
