13 Questions
What is the main purpose of validity in research investigations?
To ensure that the research investigation is providing answers to the research questions for which it was undertaken.
Which type of validity assesses the extent to which a measuring instrument accurately measures a theoretical construct it is designed to measure?
Construct validity
How is face validity determined, and why is it alone insufficient for establishing the validity of a test?
Face validity is determined by a review of the test items and not through statistical analyses. It is insufficient for establishing test validity because it is based on informal opinions and does not involve formal procedures.
What is the concept of validity in the context of research?
The ability of an instrument to measure what it is intended to measure.
Define content validity and its significance in test evaluation.
Refers to the connections between the test items and the subject-related tasks. It ensures that the test evaluates only the content relevant to the field of study.
Explain the difference between face validity and content validity in establishing the validity of a test.
Face validity is determined informally by anyone who looks over the test, while content validity is determined through formal procedures.
Why is construct validity considered the most important type of validity?
It assesses the extent to which a measuring instrument accurately measures a theoretical construct it is designed to measure.
What are the types of validity and how are they assessed?
Content, face, and construct validity. Content validity is assessed by connections between test items and subject-related tasks, face validity is determined informally, and construct validity is determined by correlating performance on the test with performance on a test for which construct validity has been determined.
What does the term 'validity' refer to in the context of research investigations?
Whether or not a test measures what it intends to measure.
What are the advantages of using a questionnaire as a method of data collection?
Less expensive, offers greater anonymity.
What are the ideal requisites of a questionnaire according to the text?
Clear and easy to understand, easy to read and pleasant to the eye, developed in an interactive style.
Define the term 'response rate' as mentioned in the text.
The percentage of people who respond to a survey or questionnaire.
Why is face validity alone insufficient for establishing the validity of a test?
It does not provide evidence about the actual validity of the test, only the appearance of validity.
Explore the important method of data collection using questionnaires and learn about their advantages and disadvantages. Discover the ideal requisites of a questionnaire for effective data gathering.
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