Observational procedures refer to systematic methods used by researchers to observe and record behavior, events, or phenomena in a study. There are several types of observation methods, each with their own advantages and disadvantages. Some key observation methods discussed are cross-sectional studies, case-control studies, cohort studies, naturalistic observation, participant observation, longitudinal observation, structured observation, and self-observation. The document provides examples and discusses the benefits and limitations of various observational research techniques.