SOCI 331 Research Design and Measurement

SOCI 331 Research Design and Measurement

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Forum Question:

This Forum includes several steps:

Develop three research questions on a topic for which you
are most interest.

Access the “Types of Research Design” site.

Select the appropriate research design for your research questions.

In your own words, explain the purpose of the design, what
these type of studies tell you and what they don’t tell you and.

Finally, explain why this design is appropriate for the
respective research questions.

A research question is a…

clear

focused

concise

complex

arguable

Instructions for all Forums:

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Each week, learners will post one initial post per
week. This post must demonstrate
comprehension of the course materials, the ability to apply that knowledge in
the real world. Learners will engage
with the instructor and peers throughout the learning week. To motivate engaged discussion, posts are
expected to be on time with regular interaction throughout the week. All posts should demonstrate college level
writing skills. To promote vibrant discussion as we would in a face to face
classroom, formatted citations and references are not required. Quotes should not be used at all, or used
sparingly. If you quote a source
quotation marks should be used and an APA formatted citation and reference
provided.

The concept of measuring constructs is discussed. An explanation of reliability and validity of measures is presented. Reliability is consistency in measurement over repeated measures. Reliable measures are those with low random (chance) errors. Reliability is assessed by one of four methods: retest, alternative-form test, split-halves test, or internal consistency test. Validity is measuring what is intended to be measured. Valid measures are those with low nonrandom (systematic) errors. Validity is assessed by one of three methods: content validation, criterion-related validation, and construct validation. It is particularly important for the researcher in the behavioral or social sciences to assure himself that measures used are both reliable and valid.