The purpose of this study was to pilot the Positive Life Changes (PLC) program, a comprehensive cognitive-behavioral intervention for at-risk adolescents that aims to promote social competencies and to prevent aggression. The program was piloted in 4 intervention groups with a sample of 31 self-referred adolescents (M age 15.64) attending an alternative high school. Questionnaires at pretest an...

Youth violence is a major unresolved public health problem in the United States and media exposure to violence is a synergistic source of this national problem. One media literacy curriculum designed specifically to address this issue is Beyond Blame: Challenging Violence in the Media. The purpose of this pilot study was to examine the curriculum's feasibility as a full-scale intervention. Inte...

OBJECTIVE To determine the effectiveness of a safety education program, Safety City, that is designed to teach kindergarten and first grade children how to cross the street, call 911 in an emergency, and avoid strangers. PARTICIPANTS/SETTING Kindergarten students at 10 urban elementary schools. DESIGN Each school was randomized to either the intervention or control group. An evaluation tool...

The purpose of this study was to determine if a pharmacology medical history assignment would enable dental students to demonstrate improved knowledge and understanding of pharmacology by researching the drugs their patients were taking and recording pharmacological information in their patients' health records. The study followed a pretest-posttest design and evaluated students' knowledge of t...

On-court instruction involving either Perception–action training or Perception-only training was used to improve anticipation skill in novice tennis players. A technical instruction group acted as a control. Participants’ ability to anticipate an opponent’s serve was assessed preand posttest using established on-court measures involving frame-by-frame video analysis. The perception–action and p...

The microscopic examination of urine sediment is a common diagnostic tool taught to medical students, medical technologists, and others. The urine microscopic exam is difficult to teach because supervised instruction and textbook-based teaching suffer from numerous drawbacks. Here, we describe Urinalysis-Tutor, a computer program that uses digitized microscope images and computer-based teaching...

BACKGROUND Less than 20% of the 996 NICUs in the United States routinely practice kangaroo care, due in part to the inadequate knowledge and skills confidence of nurses. Continuing education improves knowledge and skills acquisition, but the effects of a kangaroo care certification course on nurses' knowledge and skills confidence are unknown. METHOD A pretest-posttest quasi-experiment was co...

We conducted six experiments to examine how manipulating perception versus action affects perception-action recalibration in real and imagined blindfolded walking tasks. Participants first performed a distance estimation task (pretest) and then walked through an immersive virtual environment on a treadmill for 10 min. Participants then repeated the distance estimation task (posttest), the resul...

This experimental investigation replicates previous investigations of the effects of left margin screen background color hue to signal lesson sections on declarative knowledge and extends those investigations by adding a measure of structural knowledge. Participants (N = 80) were randomly assigned to receive one of four computer-based lesson treatments that consisted of color or no color lesson...