Answer:
Correlation research
Explanation:
Correlation research is non-experimental research. In this research, the experimenter shows the relationship between two variables. No influence takes place in the study by extraneous variables. In this research, the two variables are shown by the correlation coefficient.
Three types of correlation occur between variables.
- Positive correlation
- Negative correlation
- Zero relation
There are different type of research in correlation study has been done such as
- Natural observation
- Archie-val data