INTRODUCTION The study of expertise tends to focus on humans who can perform extraordinary feats. Although the way in which expertise is acquired is often characterized as similar to everyday skill acquisition, the attainment of basic numeracy skills is rarely considered in the same context as the attainment of expertise. It is clear, though, that average numeracy skills possess all the hallmar...

Athletes devote their lives to practicing their chosen sport so as to attain the highest level of skilled performance. A perennial question is why are some athletes better than others? Most debates on this issue reduce to genetics (natural abilities) vs differences in accumulated deliberative practice. In contrast, the target article under discussion here reports on a study that identified psyc...

OBJECTIVE Box model trainers have been used for many years to facilitate the improvement of laparoscopic skills. However, there are limited data available on box trainers and their impact on skill acquisition, assessed by virtual reality systems. MATERIAL AND METHODS Twenty-two Postgraduate Year 1 gynecology residents with no laparoscopic experience were randomly divided into one group that r...

since the appearance of the knowledge of syntax the grammarians made an effort to develop the rules of arabic language, through which the quran was sent down. to do this they considered some principles:1 ) to develop the rules of syntax they only referred to the language of arab noble and eloquent tribes. 2) they developed the rules of syntax based on the widespread and prevalent language of ar...

THE GRAPPLING SPORTS OF JUDO, JIU-JITSU, AND WRESTLING REQUIRE THE ATHLETE TO BE IN PEAK PHYSICAL SHAPE. SPECIFIC TRAINING TARGETING ALL HEALTHAND SKILL-RELATED FITNESS CONDITIONING COMPONENTS IS NEEDED TO MAXIMIZE SUCCESS IN GRAPPLING SPORTS. STRENGTH AND CONDITION PROGRAMS FOR GRAPPLERS CONSIST OF WEIGHT, PLYOMETRIC, AGILITY, FLEXIBILITY, SPEED, AND AEROBIC TRAINING ALL PROPERLY PERIODIZED AN...

Forty children were studied as they began to learn to read at 5 years old and as they developed their skill up to 7 years old. At each year they were tested for ability on 44 variables which measured ability in reading, spelling, vocabulary, short-term memory, visual perception and discrimination, auditory-visual integration, language knowledge, phonological awareness, grammatical knowledge, ro...

This chapter examines second-language sentence production both as a skill and as an on-line process by measuring relationships among linguistic and content characteristics of language samples both between and within participants. Written language samples were obtained from high school students enrolled in an intermediate-level English as a Second Language (ESL) class with embedded science instr...