Construct Validity
The decision to use both the interview method and documentation
methodology in this study is intended to make it possible to leverage multiple
sources of evidence. According to Lincoln and Guba (1985), naturalistic inquiry can
be addressed by a triangulation of methods, sources, investigators and theories.
Triangulation may be defined as the use of two or more methods of data
collection in the study of some aspect of human behavior. This study relies on
methodological triangulation, or using the same method on different occasions or
different methods on the same object of study (Cohen, Manion, & Morrison, 2000).
Interviews and documentation analysis are thus applied to ensure validity and