Education

College students who reported being chronically sleep deprived had lower GPAs and were less likely to graduate, especially when the sleep deprivation occurred during the senior year.

Preventive Medicine

Re-reading or highlighting textbooks to study is a less effective learning strategy than frequent practice and testing over periods of days, weeks, or months.

Owners were more satisfied with their dog's behavior, including family-dog aggression, trainability, fearfulness, and touch sensitivity, if they had attended a group puppy training class the year before.

Journal of Veterinary Behavior

Middle schoolers with social disorders showed greater improvement in their social abilities when they were grouped with other children based on social skill level rather than type of disorder.

Native English speakers understood active sentences (subject performs action) and passive sentences (something acts on subject) faster than non-native English speakers. However, both groups took longer to understand passive sentences.

Linguistic Approaches to Bilingualism

Early success in winning research funding encourages scientists to apply more often for funding later. Scientists who won funding early in their career were more likely to apply for and win additional funding over the next eight years than similarly ranked peers who didn't win early funding.

Scientists who posted selfies on Instagram were rated as being warmer, more trustworthy, and no less competent than scientists who posted pictures of scientific objects or equipment.

Drawing improves the ability to remember words compared with writing them down. This effect is greater for older adults and people with dementia than for younger participants.

Students in U.S. states with more LGBTQ-inclusive sex education are less likely to experience negative mental health symptoms (like suicidal thoughts), regardless of sexual orientation. These protective effects are strongest for gay, lesbian, and bisexual students, many of whom also report less bullying.

Journal of Adolescent Health

The strongest opponents to genetically modified foods have the least scientific knowledge of the issue, but believe they have the most.