1.4 Understanding the terminology

Explain the fundamental differences between the following pairs of often-confused terms (Table 1.1).

TABLE 1.1: Distinguish the similar terms
Hypothesis 1 Research question
Relational RQ 2 Interventional RQ
Observational study 3 Experimental study
Quasi-experiment 4 True experiment
Response variable 5 Explanatory variable
Response variable 6 Outcome
Unit of observation 7 Unit of analysis
Conceptual definition 8 Operational definition