I'm not very specialized in the niche of social sciences but suggest reading Cochrane Handbook and watching Campbell Collaboration videos at YouTube: https://www.youtube.com/user/collaborationtube/videos
Offering pragmatic guidance for planning and conducting a meta-analytic review, this book is written in an engaging, nontechnical style that makes it ideal for ...
2. Viewing systematic reviews and meta-analysis in social research ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4167883/Sep 10, 2014 ... Meta-analysis is especially useful for combining evidence to inform social policy, but meta-analyses of applied social science research may ...