Hello student,

The observation method consists of watching, listening, touching, and recording the behavior, attitude, and characteristics of objects or phenomena or living beings.

Advantages - By using this method, the researchers try to understand and comprehend the behavior and psychological character of the said subject.

Disadvantages - Cost is the final disadvantage of observation method. Under most circumstances, observational data are more expensive to obtain than other survey data. The observer has to wait doing nothing, between events to be observed. The unproductive time is an increased cost.

Hope you find it informational..