this study aimed at investigating the effect of the type of feedback and practice on the acquisition of parameter index. for this purpose, 8 groups (each 12 subjects) were formed: constant practice group with self–controlled feedback, constant practice group with yoked feedback (yoked group), blocked practice group with self–controlled feedback, blocked practice group with yoked feedback, rando...

normative feedback is a kind of feedback which involves information about an individual's performance in comparison with other peers unrealistically (positive or negative). the aim of the present study was to determine the effect of normative feedback on throwing aiming task learning in children aged between 9 and 11 in ahvaz city. for this purpose, 90 right-handed children were selected w...

UNLABELLED Little is known about the relationship between attitudes and characteristics of instructors and uptake and adherence of older people to exercise classes. This article explores these issues. METHODS The authors surveyed 731 UK exercise instructors with specialist older adult exercise qualifications. A questionnaire investigated instructors' characteristics and attitudes toward older...

BACKGROUND Despite their potential advantages, new coronary angioplasty devices may be associated with more frequent vascular complications than noted after standard balloon angioplasty, theoretically due to the larger sheaths and prolonged periods of anticoagulation required by some of these devices. This study sought to identify the incidence, predictors, and clinical outcome of vascular comp...

BACKGROUND Constructing successful online programs requires engaging potential users in development. However, assembling focus groups can be costly and time consuming. OBJECTIVE The aim of this study is to assess whether Tumblr can be used to prioritize activities for an online younger worker risk reduction and health promotion program. METHODS Younger summer parks and recreation employees ...

CONTEXT Rapid increases in access to the Internet have made it a viable mode for public health intervention. No controlled studies have evaluated this resource for weight loss. OBJECTIVE To determine whether a structured Internet behavioral weight loss program produces greater initial weight loss and changes in waist circumference than a weight loss education Web site. DESIGN Randomized, co...

this study investigated the effects of two types of written feedback – direct corrective feedback (dcf) and metalinguistic explanation (me) - on iranian efl learners’ implicit and explicit knowledge of english definite and indefinite articles. assigned to three groups of dcf, me, and control groups, the participants took four tests in three testing phases: pretest, posttest, and delayed posttes...