Byron conducted a qualitative study that included coding a large set of transcribed data. He applied codes to his data and then asked his colleague, Adeline, to also code the data using his coding structure. What was Byron trying to establish by having Adeline code the work? a. trustworthinessb. credibilityc. validityd. interrater reliability

The correct answer is letter A

Trustworthiness of an instrument refers to the consistency of results obtained by the same subjects on different occasions or with different sets of equivalent items. This is what guarantees the confidence that one can have in the results of the instrument.

The trustworthiness of an instrument can be determined by several strategies: test-retest, parallel halves, parallel shapes.