Some young children presented with unidimensional and nonverbal conservation tasks were able to give a conservation response if they could answer with a picture instead of orally. (Editor)

Investigating the effects of marijuana on human psychological functioning, this study differs from previous research in two ways: 1) it is concerned with relatively complex cognitive processes; 2) it has a theoretical rationale. The general hypothesis of the study states that marijuana will impair its user's ability to form and use abstract…

Twenty-six test variables for psychological differentiation and cognitive abilities were factor analyzed with a view towards replication of certain factors of perceptual and conceptual differentiation and related these factors to cognitive abilities. (Author)

Examined perception of object unity in partial occlusion in 72 infants. Recorded how long subjects looked at a display of complete and incomplete rods. In test and control conditions, infants looked longer at broken rods than at complete rods, suggesting that infants' cognitive, visual, or attentional skills may be insufficient to support…

THIS IS A REPORT OF THE RESPONSES OF 480 PROFESSIONALS TO A QUESTIONNAIRE ABOUT THEIR BELIEFS ABOUT EDUCATION AS RELATED TO NEWER GOALS IN EDUCATION. IT INDICATES A STRONG COMMITMENT TO THE NEWER GOALS. (DD)