The base of this solid crate has an area of 6 square meters. The height of the crate is 4 meters.What is the volume of the crate?

Triangulation refers to using more than one method of data collection to analyze the same topic to ensure the validity of the research findings and, especially, to understand different elements or perspectives over of the same topic.  

Explanation:

To analyze why students do or do not participate in student activities using triangulation, I would use data from interviews, as well as from focus groups, and written comments students might have made online on the campus website. The different sources of information can provide much more variables to the final analysis of the information.