This document summarizes different observational techniques used in social research. It discusses controlled observations, natural observations, participant observations, and covert and overt observations. It describes key aspects of each technique such as their structure, advantages, and disadvantages. For example, it notes that controlled observations can be easily replicated but lack validity, while natural observations have greater ecological validity but are less reliable. The document also covers topics like recording observational data, preparing for observations, and analyzing the data collected.