Literature Synthesis Matrix Builder

I am synthesizing literature on [TOPIC] for my [PAPER TYPE]. Sources to include: [SOURCE 1: citation and key info], [SOURCE 2], [SOURCE 3], etc. Themes I've identified: [THEMES]. Comparison criteria: [CRITERIA - methodology, findings, population, etc.]. My research question: [QUESTION]. Please help me: 1) Design a synthesis matrix structure, 2) Identify key comparison categories, 3) Summarize each source's contribution, 4) Find patterns across sources, 5) Identify contradictions and debates, 6) Connect synthesis to my research gap.