Sampling in Interview-Based Qualitative Research: A Theoretical and Practical Guide

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Energy poverty and indoor cooling: An overlooked issue in Europe (2019, methodology): “A purposive sampling strategy (Robinson, 2014) was adopted, via which we recruited a diverse set of households in terms of their housing type and socio-demographic characteristics.”
Soft Skills Needed for the 21st-Century Workforce (2019, background): “on their knowledge and experience in the subject matter (Robinson, 2014).”
Supporting thinking on sample sizes for thematic analyses: a quantitative tool (2015, background): “Other factors such as the cost of data collection, transcription and depth of analysis are also important and are covered in detail elsewhere (e.g. Robinson, 2014).”
The barriers to the progression of additive manufacture: perspectives from UK industry (2018, background): “Nevertheless the sample can-not be classed as a random representation of design and manufacturing industry across the UK, since the participants and organisations represent those “willing to participate” and must therefore be defined as a convenience sample (Robinson, 2014).”
Purposive sampling: complex or simple? Research case examples (2020, methodology): “The process involves either identifying cases from new groups, which might amount to being a comparison or a contrast with other groups, or reshaping the sample into a new set of criteria as a result of the analysis, and in so doing replacing the original sampling strategy chosen a-priori (Draucker ”