Middle Managers in Program and Portfolio Management

CHAPTER 3

Methodology and Analysis

A sequential multi-method approach was used to obtain the highest levels of generalizability and credibility of results (McGrath, 1982). This methodological approach was chosen for balancing the inherent flaws in reliability and validity of the measurement constructs of each of the individual methods (McGrath 1982, Remenyi, Williams, Money, & Swartz, 1998). A combination of several methods and triangulation of their results allows for more confidence in the research results (Jick, 1979).

Execution of the research model started with an exploratory qualitative study to develop a basic understanding of the roles and responsibilities under the two governance structures. Following that, a quantitative study was ...