academic-icon Created with Sketch. TextbookHow Many Subjects?Statistical Power Analysis in Research,Second EditionHelena Chmura Kraemer, Christine BlaseyPublished: March 2015From £34.99 Inspection copy available
academic-icon Created with Sketch. Academic BookMeta-Analytic Procedures for Social ResearchRobert RosenthalPublished: June 1991From £81.00 Inspection copy available