Pensum/l?ringskrav

Bordens, K. S. & Abbott, B. B. : Research Design and Methods A process approach, 2008. McGraw-Hill. 7.ed, Kap. 1-14.

Howitt, D. & Cramer. D : Introduction to Statistics in Psychology, 2008. Pearson Prentice Hall. 4. utgave. Kap:1-18.