Validating research instruments

He has published several quantitative and qualitative research articles in healthcare, psychology, and statistics.

Percent-agreement statistics can be calculated and explained easily.

) the quality of the data is unclear because registry birthplace information is incomplete. Cultural validity for all instruments is essential principle but unfortunately one that is seldom achieved.

In the case of assessment, for example, “In the case of non-English-speaking or multilingual participants, investigators should use translated versions of standardized instruments that have been subjected to rigorous standards of measurement equivalence to ensure that the desired psychological constructs are properly measured” (Fisher, Hoagwood, Boyce, Duster, Frank, Grisso, Levine, Macklin, Spencer, Takanishi, Trimble, & Zayas 2002; Fisher & Wallace 2000).

I found it strange that faculty in a psychology department were unable to tell a graduate student how to validate a survey.

Aren’t questionnaires one of the most common methods of data collection in the social sciences? After graduating I was determined to find out how to validate surveys, so I checked out some books from my school’s library and purchased others from Amazon.

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