The paper reports on an investigation of attention and working memory as sources of intelligence. The investigation was concentrated on the relatedness of attention and working memory as predictors of intelligence and on the structure underlying the prediction. In a sample of 120 participants, intelligence was assessed by the Advanced Progressive…

Studied the contribution of preattentive processes to the cognitive speed-ability relationship for 80 participants. Results reveal an increase in ability-related variances due to the stimulation of preattentive processes. Coefficients for a structural equation model indicated that preattentive processes exerted a stronger effect on cognitive…