An improved apparatus for measuring freezing points has been developed. Compared to the traditional Beckmann freezing point instrument, the improved one overcame prior difficulties with solidification of liquid and made the solid-liquid equilibrium reversible with heat compensation from a heating tube. The reliability and accuracy were carefully…

The disadvantages of the usual linear least-squares analysis of first- and second-order kinetic data are described, and nonlinear least-squares fitting is recommended as an alternative.

In multiple-choice tests, the quality of distractors may be more important than their number. We therefore examined the joint influence of distractor quality and quantity on test functioning by providing a sample of 5,793 participants with five parallel test sets consisting of items that differed in the number and quality of distractors.…

The purpose of the current study was to assess the utility, feasibility, and reliability of Fitbit accelerometers to measure physical activity (via steps) of 15 young children simultaneously during recess. Fitbit-recorded steps per minute (SPM) were used as the primary measure to assess levels of activity in children playing in various structured…

This study aimed to standardize self-control and self-management skills (SCMS), Mezo 2009 , on students in the university of Najran And to identify the psychometric properties of the scale in the Arab Environment the society of Najran University student by taking a number of Procedures (Validity and reliability of the Scale ) and to get the Arabic…

Appropriate instruments are required to determine student engagement on an undergraduate course, and in this study we evaluated a 23 item Student Course Engagement Questionnaire (SCEQ) administered to undergraduate students studying a Bachelor of Sport and Recreation degree. These students were in the first semester of a 3 year degree, and were…

The purpose of this study was to develop a valid and reliable scale that can be used in determining the civic-mindedness levels of teaching staff working at universities. The study group of the research consisted of 758 students, 256 of whom were male and 524 were female. The item list, which was based on the literature and expert opinions, was…

We argue that large-scale, standards-based improvements in the teaching and learning of mathematics necessitate advances in our theories regarding how teaching affects student learning and progress in how we measure instruction. Our theory--an embodiment of the interaction of high and low levels of two constructs that past research has shown to…

This study was conducted to develop a valid and reliable indigenous self-report measure of indecisiveness and its empirical evaluation. Sample was consisted of 300 students. The items were constructed on the bases of previous literature and information received by focus groups. The whole Item pool of Indecisiveness Scale was subjected to principal…

The aim of study was to conduct the reliability and validity studies of the Turkish version of The Forms of Bullying Scale (FBS; Shaw at el., 2013). The Turkish form of the scale was applied on 357 high school students. Scale was examined by the reliability analysis and confirmatory factor analysis within the scope of the adaptation study.…

Developing critical thinking is an important factor in education. In this study, the author defines critical thinking as the set of skills and dispositions which enable one to solve problems logically and to attempt to reflect autonomously by means of metacognitive regulation of one's own problem-solving processes. To identify the validity and…

The purpose of this study was to develop an instrument to measure university students' attitudes towards LGBTI individuals. The sample included 220 university students attended a public university located in the west of Turkey during 2016-2017 education year. The participants were 94 men and 126 women and their age ranged from 18 to 25. During the…

The purpose of this study was to examine if sequential presentation with feeder modeling would lead to an increase in bites accepted of new foods compared to sequential presentation without feeder modeling in a typically developing 4-year-old boy with food selectivity. The participant's acceptance of novel foods increased both in the modeling and…

The aim of this study is to observe the effect of Education and Informatics Net (EIN) supported math teaching on students' success in geometry teaching 5th grade level and to observe students' comments on EIN. This study was conducted in the 2nd term of 2018-2019 school year. Both qualitative and quantitative research methods were implemented.…

This study adapted a questionnaire design to survey six identified core dimensions of twenty-first-century learning among China high school students. The core dimensions are learning processes that include collaborative learning, self-directed learning, meaningful learning with ICT; and higher order thinking processes including critical thinking,…