Many studies have shown that self-controlled feedback is beneficial for learning motor tasks, andthat learners prefer to receive feedback after supposedly good trials. However, to date all studiesconducted on self-controlled learning have used individual tasks and mainly relatively simpleskills. Therefore, …

Purpose: The net height in tennis (0.91 m) is approximately 50% of a professional tennis player’s height. Children are also expected to play with this net height, even though it is approximately 70% of the average 10-year-old’s height. This study examined the immediate effect of lowering net height on …

Purpose: To examine the test–retest reliability and validity of ten activity trackers for step counting at three different walking speeds. Methods: Thirty-one healthy participants walked twice on a treadmill for 30 min while wearing 10 activity trackers (Polar Loop, Garmin Vivosmart, Fitbit Charge HR, …

This paper presents the results of a survey which aimed at exploring the perceptions of the employees of a large aviation organization regarding the punitive or preventive character of possible measures that management could take in cases of errors and violations. The analysis of the quantitative and …

Recently, the Inverness, Ross and Skye forest district has had multiple occasions of wind damage in their forests. Because these were unpredicted and costly events, the model used to predict wind damage, ForestGALES, was analysed. Both input and output of the model were closely examined to discover why …

Automation surprise (AS) has often been associated with aviation safety incidents. Although numerous laboratory studies have been conducted, few data are available from routine flight operations. A survey among a representative sample of 200 Dutch airline pilots was used to determine the prevalence of …

In pre-treatment dose verification, low resolution detector systems are unable to identify shifts of individual leafs of high resolution multi leaf collimator (MLC) systems from detected changes in the dose deposition. The goal of this study was to introduce an alternative approach (the shutter technique) …

Introduction: Communication is an essential part of nursing care. While conversations with patients mainly take place in patient rooms, the ward corridor is often used for communication between staff members and sometimes visiting family. As many patients suffer from hearing loss due to biological ageing, …

Market competition and global financial uncertainty have been the principal drivers that impel aviation companies to proceed to budget cuts, including decreases in salary and work force levels, in order to ensure viability and sustainability. Under the concepts of Maslow and Herzberg’s motivation theories, …

From the article: Abstract Knowledge is essential to the product designer. It contributes to a better understanding of the difficulties in a design. With the right knowledge, design errors can be recognised in the early stage of product design, and appropriate measures can be applied before these errors …