Developing and validating measurements kentdating com


The pilot test seeks to answer the question, does the questionnaire consistently measure whatever it measures?

The use of reliability types (test-retest, split half, alternate form, internal consistency) depends on the nature of data (nominal, ordinal, interval/ratio).

After developing a thorough understanding of the research, the next step is to generate statements/questions for the questionnaire.

In this step, content (from literature/theoretical framework) is transformed into statements/questions.

Scales are devices used to quantify a subject's response on a particular variable.

Understanding the relationship between the level of measurement and the appropriateness of data analysis is important.

Following IRB approval, the next step is to conduct a field test using subjects not included in the sample. An analysis of research designs used in agricultural and extension education.