Gorard, S. (2021). How to make sense of statistics. Sage.https://doi.org/10.4135/9781036212841

Gorard uses practical examples to introduce the use of numbers in research, and to explain how a variety of statistical tests might be used and interpreted, while taking a sceptical view of the latter throughout.

W. Paul Vogt (ed). (2011). Quantitative research methods. Sage. https://doi.org/10.4135/9780857028228

Vogt has collected a representative sample of the best articles in quantitative methods that have appeared in SAGE journals – for those needing to update their quantitative research skills.

Saldaña, J. (2015). Thinking qualitatively: Methods of mind. Sage. https://doi.org/10.4135/9781071909782

Saldaña explains how to actively think about data from different perspectives (thinking analytically, realistically, symbolically, ethically, multidisciplinarily, artistically, summarily, interpretively and narratively) as a way of helping researchers enrich both data collection and data analysis when examining the complex patterns of daily living.

Kuckartz, U., & Rädiker, S. (2023). Qualitative content analysis: Methods, practice and software (2nd ed.). Sage. https://doi.org/10.4135/9781036212940

Kuckartz and Rädiker (2023) include a detailed history of content analysis with an explanation of three approaches (structuring, evaluative and type-building) to qualitative content analysis.