Although Locke and Schweiger's Review Considered Well Over 50 Empirical

Although Locke and Schweiger's review considered well over 50 empirical research reports on participation,their final conclusions seem somewhat anticlimactic.One of the reasons for this was that:

A) they had given inadequate importance to the strength of participation's effects on satisfaction.
B) they used a very gross classification system in considering effects of participation.
C) most of the studies ignored the contextual category and suggested many other factors.
D) the studies conducted by them were highly differentiated and informal in nature.