Qualitiative approaches can cure stammering?

Beware of those who want power and authority without responsibility.  Knowledge gives you power and influence, and as such you need to acquire it with integrity, and avoid making false conclusions about causality, generality, and validity.  Many qualitative researchers are explicit about this, and accept they are researching focussed subjective experience in an area that may not lend itself to quantifiable research.  Others want the authority which validated clinical search attracts, though without havign to go through the rigorous truth criteria that it demands (often to the despair of those working in the field).

Decide for yourself whether a qualitative method cures stammering: it all reads a bit "Clever Hans" to me.