CASP ChecklistsThe Critical Appraisals Skills Programme (CASP) has 25 years of significant and unrivalled expertise in the delivery of training to healthcare professionals. This set of eight critical appraisal tools are designed to be used when reading research, these include tools for Systematic Reviews, Randomised Controlled Trials, Cohort Studies, Case Control Studies, Economic Evaluations, Diagnostic Studies, Qualitative studies and Clinical Prediction Rule.