Exam 3: Assessment, Effect Size, and Ethics
Describe the purpose of factor analysis.How is this technique used in personality psychology and what are its limitations?
The purpose of factor analysis is to identify underlying factors or dimensions that explain the patterns of correlations among a set of variables. It is a statistical technique used to reduce the complexity of data by identifying the underlying structure or relationships among variables.
In personality psychology, factor analysis is used to identify and understand the underlying dimensions of personality traits. By using factor analysis, researchers can identify clusters of related traits and understand how they are interrelated. This can help in developing a more comprehensive understanding of personality and how different traits may be related to each other.
However, factor analysis in personality psychology has its limitations. One limitation is that it relies on the initial selection of variables, which can influence the results. Additionally, factor analysis assumes that the underlying factors are linear and additive, which may not always be the case in complex psychological phenomena. Furthermore, the interpretation of the factors identified through factor analysis can be subjective and may vary depending on the researcher's perspective.
Overall, while factor analysis is a valuable tool in understanding the underlying structure of personality traits, it is important to consider its limitations and use it in conjunction with other methods to gain a comprehensive understanding of personality.
The improvement in reliability gained by adding additional "good" test items can be precisely calculated using the ________ formula.
D
According to the text,the last step in a factor analysis is to ________.
D
Match the most applicable type of test with each description.
-Patients tell an analyst what they see in an inkblot.
Which of the following statements does NOT apply to rationally constructed personality scales?
The reason that objective tests include so many items is to increase the ________ of the test.
Which of the following approaches to test construction is the most atheoretical?
Match the most relevant method with each basis of an objective test.
-Patterns of factor loadings
Match the most applicable type of test with each description.
-A job applicant answers the question "I am shy."
What is the first step in the empirical method of scale construction?
How would a personality psychologist use the empirical method of test construction to create a measure of depression? What are the limitations of this technique? What are the strengths of this approach over alternatives?
A test created using the rational method yields what kind of data?
The California Psychological Inventory (CPI)was designed to ________.
According to the text,which projective test appears to have produced evidence that comes close to establishing its validity?
Match the most applicable type of test with each description.
-A person interprets an ambiguous stimulus.
The ________ method is NOT a basic method for constructing objective personality tests.
A psychologist administering the Thematic Apperception Test (TAT)asks respondents to ________.
If everybody read,interpreted,and answered an item in exactly the same way,then that item ________.
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