Gilbert believed that it was absence of performance support at work, not an individual's lack of knowledge or skill, that was the greatest barrier to exemplary performance. Therefore, he believed it was most necessary to focus on variables in the work environment before addressing variables at the individual level.
Gilbert thought that lack of work support, rather than a person's deficiency in knowledge or ability, was the main obstacle to outstanding performance. Consequently, he believed it was most crucial to concentrate on environmental factors before addressing individual variables.