1. Anxiety and its disorders: The nature and treatment of anxiety and panic;Barlow,2002
2. The moderator-mediator variable distinction in social psychological research: Conceptual, strategic and statistical considerations;Baron;Journal of Personality and Social Psychology,1986
3. An evaluation of test anxiety scales: Convergent, divergent, and predictive validity;Bedell,1995
4. Challenge and threat appraisal: Challenge and threat;Blascovich,2008
5. Relationship of perfectionism to affect, expectations, attributions and performance in the classroom;Brown;Journal of Social and Clinical Psychology,1999