The survey tool and questionnaires had been tested on a pilot sample to determine reliability of the survey tool and questionnaires to contribute into study outcomes in terms of conclusion validity, construct validity, external validity and internal validity (Cook & Campbell, 1979). The focus group interviewers were educated on the survey tools and questions to ensure the interviewer voice inflection didn’t result into biasness of the results. Please read here.

comments (0)

40 more from mljohny33