1.4 Terminology
Explain the fundamental differences between the following pairs of often-confused terms (Table 1.1), highlighting the important differences.
| 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 |
| Conceptual definition | 7 | Operational definition |
| Unit of observation | 8 | Unit of analysis |