Posted: March 25th, 2015

1 Designing an instrument of measurement with perfect validity and reliability

301 W3 D

Order Description

Question #1 Designing an instrument of measurement with perfect validity and reliability is nearly impossible. The best researchers can hope for is to maximize their validity and reliability. Analyze the reliability and validity of IQ tests.

Please read the article “What Does IQ Really Measure?”

Answer the following questions. Label each part of your response a, b, and c.

a. How valid a measure of intelligence are IQ tests, and why (i.e., do they accurately measure someone’s level of intelligence)?

b. How reliable a measure of intelligence are IQ tests, and why (i.e., would a person’s IQ likely be the same each time he or she takes the test)?

Cite specific examples from the article to show why you feel IQ tests are or aren’t valid or reliable measures of intelligence.

Required sources only:
• Chapter 5 in Earl Babbie, The Basics of Social Research, 6th ed. Wadsworth, 2014. ISBN 113359414X
http://news.sciencemag.org/2011/04/what-does-iq-really-measure
Responses will consistently demonstrate that the learner is reading/viewing the source material, reading others’ posts, and reflecting upon all of these, through relevant responses. Responses will consistently draw on specific information from source material (e.g., videos, readings), using multiple specific, accurate, and relevant examples. Responses are well organized, with no run on paragraphs or stream of consciousness writing. Use full sentences with proper grammar and almost no spelling or punctuation mistakes. The tone of your response should reflect formal writing (e.g., no abbreviations that are better suited to informal texting, email, or IM).

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