enhancing trustworthiness in qualitative research: integrating quantitative validation in english language teaching studies

I propose that quantitative research designs should be used to augment and to complement the validation of qualitative research in a mixed methods design for the following reasons. combining quantitative and qualitative data allows the phenomenon under study to be explored more deeply and allows for perspectives that may otherwise be overlooked. moreover, qualitative and quantitative research should meet credibility criteria which have different foci. qualitative research quality criteria are in flux and are situated within local disciplinary contexts. as a result, there is an absence of universal acceptance and adoption of criteria for judging qualitative study quality. qualitative and quantitative designs complement each other, and both approaches are necessary