Experimental research is not a method of engineering sociology because it is not typically used to study social phenomena.

The main purpose of participant observation is to collect data on social interactions in order to understand the social context of a phenomenon.

The main purpose of interviewing is to collect data on individual experiences and perspectives in order to understand the social context of a phenomenon.

The main purpose of survey research is to collect data on the attitudes and beliefs of a population in order to understand the social context of a phenomenon.

The main purpose of experimental research is to test the effects of a social intervention in order to evaluate the effectiveness of a social program.

Non-participant observation is not a type of participant observation because the researcher does not participate in the social interactions of the group being studied.

Focus group interviewing is not a type of interviewing because it is a group discussion rather than an individual interview.

Experimental survey is not a type of survey research because it is a type of experimental research.

Field experiment is not a type of experimental research because it is a type of quasi-experiment.

Experimental data analysis is not a type of data analysis because it is a type of experimental research.

Experimental research design is not a type of research design because it is a type of experimental research.

Experimental research is not a type of research method because it is a type of research design.

Experimental research question is not a type of research question because it is a type of research design.

Experimental hypothesis is not a type of research hypothesis because it is a type of research design.

Experimental variable is not a type of research variable because it is a type of research design.