Difficulties with self-regulation are implicated in the development of emotional and behavioral problems during adolescence. Although children's ability to regulate their behaviors continues to improve throughout childhood and adolescence, it remains unclear how contextual risk factors might influence this development during the transition to…

This study is an item analysis of the Matching Familiar Figures Test-20. We examined error scores in the Matching Familiar Figures Test-20 to determine the influence of the difficulty of the test on the assessment of reflection-impulsivity. The sample included 700 participants aged between 6 and 12 years. The results obtained from the corrected…

Tests indicated that kindergarten children with impulsive conceptual tempos performed significantly lower on several measures of achievement and reasoning ability than did children with reflective tempos. (Editor)

The purpose of this study was to examine the relationship between the various techniques used to estimate the time required by the human to process a visual stimuli, i.e., recognize a stimulus input into the visual perceptual system. Sixteen tests of visual processing speed were administered to 110 undergraduate students. In summary, scores tended…