Methods of Estimating Reliability and Validity in Research
18 Questions
1 Views
3.6 Stars

Methods of Estimating Reliability and Validity in Research

Learn about different types of reliability and validity estimation methods used in research, including test-retest reliability and interrater reliability. Understand how validity can be assessed by comparing results to other relevant data or theory.

Created by
@GenuineAutomatism

Questions and Answers

Which type of validity assesses the adherence of a measure to existing theory and knowledge of the concept being measured?

Construct validity

If a self-esteem questionnaire is assessed by measuring other traits related to self-esteem, what type of validity is being examined?

Construct validity

What does content validity assess in a measurement?

Coverage of all aspects of the concept being measured

In the context of a language test, what would indicate a lack of content validity?

<p>Exclusion of key components acknowledged by experts</p> Signup and view all the answers

Which type of evidence can be used to estimate the validity of a measurement?

<p>Both expert judgment and statistical methods</p> Signup and view all the answers

What does low internal consistency suggest about two results?

<p>Divergence in reliability</p> Signup and view all the answers

What does reliability refer to in measurement?

<p>How consistently a method measures something</p> Signup and view all the answers

If a thermometer consistently shows the same temperature reading for a liquid sample under identical conditions, what does this indicate about the measurement?

<p>It has high reliability</p> Signup and view all the answers

When research has high validity, it means that the results:

<p>Correspond to real properties and characteristics</p> Signup and view all the answers

If several different doctors using the same symptom questionnaire with a patient provide different diagnoses, what does this suggest about the questionnaire?

<p>It has low reliability</p> Signup and view all the answers

Which type of reliability is assessed when different raters provide different judgments on the same subject?

<p>Inter-rater reliability</p> Signup and view all the answers

If a thermometer shows different temperatures each time for the same liquid sample under controlled conditions, what can be inferred about the thermometer's measurements?

<p>It is not reliable</p> Signup and view all the answers

What aspect of a measure does test-retest reliability assess?

<p>The consistency of a measure across time</p> Signup and view all the answers

If different examiners submit substantially different results for the same project, what type of reliability is likely low?

<p>Inter-rater reliability</p> Signup and view all the answers

Which type of reliability focuses on the consistency of a measurement itself?

<p>Internal consistency</p> Signup and view all the answers

What does inter-rater reliability assess?

<p>The consistency of a measure across different raters</p> Signup and view all the answers

If there is a strong correlation between two halves of a questionnaire measuring self-esteem, what type of reliability is being demonstrated?

<p>Internal consistency</p> Signup and view all the answers

Which type of reliability assesses if you get the same results when you repeat a measurement?

<p>Test-retest reliability</p> Signup and view all the answers

Use Quizgecko on...
Browser
Browser