Employees are one of the most critical variables in your success at the table — they will make or break you. (entrepreneur.com)
Studies have found that the most critical variable affecting the educational outcomes of students is the effectiveness of classroom teachers. (dfer.org)
Although coping strategies and behaviors have been well studied, cognitive appraisals of internal resources and perceived self - efficacy are also critical variables in a chronic illness population. (academic.oup.com)