This document outlines various data collection techniques used in qualitative research including journals/diaries, document collection, field notes, interviews, stimulated recall, classroom diagrams/maps, think aloud, self-report, questionnaires, and observation. It provides details on each technique such as what diaries and journals are, how field notes are taken, the different types of interviews, and how observation can be done in real-time or through audio/video taping. The document concludes by explaining triangulation, which involves using multiple data collection techniques and sources to check results.