This paper helps researchers to make decisions related to purposeful sampling in a more systematic and transparent way. Future research could confirm or disconfirm the hypothesis of conceptual enhancement by comparing the findings of a purposefully sampled qualitative evidence synthesis with those drawing o...
Today, this hypothesis has almost become a reality, such that, when analyzed from specific to general (from our surroundings, to society, to other societies around the world and the whole picture of “all of us”), material goods such as glasses, watches, phones, computer, cars created by...