Presume that you will be performing a research project on your topic and problem. You need accurate, valid, and reliable observations from a sample obtained from multiple sites by many co-investigators.

You will need to craft an ‘instrument’ or ‘tool’ to facilitate the observations of most interest to your study, and an accompanying training program for those surrogate /co-investigator.

Your goal is to assure inter-observer reliability, as well as overall reliability and validity of the observations.

Craft your instrument and instructions