Match the followings:
| A. Data Triangulation | I. Use of multiple theories or perspectives to interpret the data collected in research. |
| B. Investigator Triangulation | II. Use of multiple researchers or evaluators to reduce bias in a study. |
| C. Theory Triangulation | III. Use of different times, spaces, and persons to gather data to enhance validity. |
| D. Methodological Triangulation | IV. Use of multiple data collection methods (e.g., interviews, surveys, observation) to study the same phenomenon. |
1
A-III, B-II, C-I, D-IV
2
A-II, B-III, C-IV, D-I
3
A-I, B-II, C-III, D-IV
4
A-IV, B-III, C-II, D-I