%A David T. Lykken %J Thinking Clearly About Psychology, Vol. 1 %T What's wrong with Psychology, anyway? %X This chapter considers various factors that have been responsible for the comparatively slow development of psychology into a cumulative empirical science. Special attention is devoted to correctable methodological mistakes, the over-reliance upon significance testing (and the fact that, in psychology, the null hypothesis is almost always false), and an analysis of the concept of replication. %K Philosophy of Psychology, significance testing, types ofreplication, null hypothesis %P 3-39 %E D. Chiccetti %E W. Grove %D 1991 %I University of Minnesota Press %L cogprints371