Introduction: issues in the malleability of intelligence (W. Tomic, J. Kingma). The schools: IQ tests, labels, and the word "intelligence" (J.R. Flynn). Intelligence as a subsystem of personality: from Spearman's G to contemporary models of hot processing (J.D. Mayer, D.C. Mitchell). A longitudinal study of factors associated with Wechsler verbal and performance IQ scores in students from low income, African-American families (F.A. Campbell, I. Nabors). De Groot's potentiality theory of intelligence: a resume and a validation study (A.A.J. van Peet). Relating reading achievement to intelligence and memory capacity (R.P. Carver). Experimental approaches to the assessment and development of higher-order intellectual processes (D.H. Clements, B.K. Nastasi). The detection of inter-stimulus relations: a locus of intelligence-related differences (S.A. Soraci et al.). Intelligence and learning potential: theoretical and research issues (W.C.M. Resing). Inductive reasoning and fluid intelligence: a training approach (K.J. Klauer). Accelerating intelligence development through an inductive reasoning training (W. Tomic, J. Kingma). The effects of test preparation (H. van der Molen et al.).