The international journal of educational leadership preparation · 2016 · 29 citations · 19 references
EducationEducational AdministrationEducational LeadershipInstructional LeadershipPrincipalshipTeacher LeadershipBehavioral Approaches To LeadershipInstructional SupervisionLeadership EffectivenessLeadership StylesPrincipal LeadershipRoles Of The PrincipalPrincipal EffectivenessPrincipal RolesPrincipal Self-efficacy
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Coefficient Alpha and the Internal Structure of Tests
Lee J. Cronbach · Psychometrika · 1951 · 43.2K citations · Full text
Social Sciences, Educational Assessment, Educational Measurement +14