Complex sentence: However, if we accept the premisses of this argument and follow it through to its logical conclusion it quickly demonstrates that research is futile, so other qualitative researchers have developed non-quantitative criteria for assessing reliability and validity.
Split into simpler sentences: However, if we accept the premisses of this argument and follow it through to its logical conclusion it quickly demonstrates that research is futile. Other qualitative researchers have developed non-quantitative criteria for assessing reliability and validity.