Social class differences in sociodramatic play: A critical review*1

Social class differences produce social group preferences.

Some social groups are higher in socioeconomic status than others and the former tend to be favored over the latter. The present research investigated whether observing group differences in wealth alone can directly cause children to prefer wealthier groups. In Experiment 1, 4-5-year-old children developed a preference for a wealthy novel group over a less wealthy group. In Experiment 2, childr...

Maternal Touch Moderates Sex Differences in Juvenile Social Play Behavior

Additional somatosensory contact of preterm human infants improves a variety of developmental assessment scores, but less is known about its lasting consequences. In rodents, maternal contact may influence the programming of juvenile social play behavior. Therefore, we used a paradigm where we can control the levels of somatosensory contact associated with maternal care. We find that additional...

Socioeconomic differences in psychosocial factors contributing to coronary heart disease: A review1

Cognitive consequences of sociodramatic play and exploration training for economically disadvantaged preschoolers.

Acidosis in Cattle: A Review1

Acute and chronic acidosis, conditions that follow ingestion of excessive amounts of readily fermented carbohydrate, are prominent production problems for ruminants fed diets rich in concentrate. Often occurring during adaptation to concentrate-rich diets in feedyards, chronic acidosis may continue during the feeding period. With acute acidosis, ruminal acidity and osmolality increase markedly ...