| Parameter
as a Research Concepts [U1]
|
| Participant
Observer [U1]
|
| Population
as a Research Concepts [U1]
|
| Pre-Experimental
Design [U1]
|
| Probability
Sampling [U1] [U2]
|
| Public
Documents for Literature Review [U1] [U2] |
| Pure Research [U1]
|
| Purposive Sampling [U1] [U2] |
|
|
|