Consider the following statement: "internal validity is based on the assumption that there is a single tangible reality to be measured. If this assumption is replaced by the idea of multiple realities, the researcher's job becomes one of representing those multiple realities revealed by informants as adequately as possible."

This statement is claiming that, since$\_\_\_\_\_\_\_\_\_$ research is based on the assumption of multiple realities, that research must satisfy the $\_\_\_\_\_\_\_\_\_$ evaluative criterion.

qualitative; dependability.

quantitative; confirmability.

qualitative; credibility.

quantitative; transferability.