The subject matters of sociology include :

• Social groups
• Institutions
• Norms and relationships
• All the above mentioned from (a) to (c)

(a) Validity

(b) Structured Interview

(c) Respondents

(d) Subjectivity

(e) Schedule

(f) Secondary Data

(g) Structural Interview

(a) Case Study

(b) Close - Ended Questions

(c) Coding

(d) Rapport

(e) Reliability

(f) Community Study

(g) Concept

(h) Control Group

(i) Questionnaire

(a) Non-Participant Observation

(b) Methodology

(c) Field Study

(d) Interview Bias

(e) Generalization

(f) Interview

(g) Independent Variable

(h) Selection

(i) Participant Observation

(ii) Open-ended Questions

(iii) Corporative Analysis

(iv) Dependent Variable

(v) Observation

(vi) Documents

(vii) Experimental Group

(i) Participant Observation

(ii) Participant as Observer

(iii) Observer as participant, and

(iv) Observer as Observer