Infant research is often underpowered, undermining the robustness and replicability of our findings. Improving the reliability of infant studies offers a solution for increasing statistical power independent of sample size. Here, we discuss two senses of the term reliability in the context of infant research: reliable (large) effects and reliable…

This research study aims to evaluate the graduate theses and articles conducted on the concept of instructional leadership over the period between 2002 and 2017 in Turkey by means of methodological and statistical analysis techniques. In the study, which is configured by using the case study design as one of the qualitative research methods, the…

Findings on the reliability and cost-effectiveness of the use of cellular phones vis-à-vis face-to-face interviews in investigating health behaviors and conditions are presented for a national epidemiological sample from Lebanon. Using self-reported responses on identical questions, percentage agreement, ? statistics, and McNemar's test were used…

This study aims at determining to what extent the entrepreneurial learning design influences students' entrepreneurial competence in the Vocational High School in the Makassar. To achieve that goal, then some data collection techniques were used namely documentation and questionnaires. The data were analyzed using several techniques namely…

Institutional report cards are increasingly being used by higher educational institutions to present academic outcomes to external audiences of prospective students and parents, as well as program and institutional evaluators. While some prospective students are served by national transparency measures most users mine information from the…

This study aims to present high school students' perception of "English" through the impressions and images and the effect of these perceptions on their motivation in learning English. This qualitative study is based on the data about students' metaphors and the focus group interview to determine their effect on the students' motivation.…

The purpose of this study is to investigate association of data collectors' differences with the differences in reliability and validity of scores regarding affective variables (motivation toward science learning and science attitude) that are measured by Likert-type scales. Four researchers trained in data collection and seven science teachers…

The study examined the relationship between teachers' utilization of school facilities and academic achievement of student nurses in Human Biology in schools of Nursing in Akwa Ibom State. Four (4) specific objectives, four (4) research questions and four (4) null hypotheses were formulated to guide the study. Ex-post facto survey design was…

There has been much discussion about quantitative and qualitative approaches to research in different disciplines. In the behavioural and social sciences, these two paradigms are compared to reveal their relative strengths and weaknesses. But the debate about both traditions has commonly taken place in academic books. It is hard to find an article…

This paper presents a content analytic approach on doctoral dissertations in the field of distance education in Turkish Higher Education context from the years of 1986 through 2014. A total of 61 dissertations were examined to explore keywords, academic discipline, research areas, theoretical/conceptual frameworks, research designs, research…

The study evaluated the objectives of the Universal Basic Education (UBE) programme in Delta State. It considered the extent to which each objective was achieved. A research question on the extent to which the UBE objectives were achieved guided the study. Two hypotheses were tested. A sample of 300 students was randomly drawn through the use of…

The purpose of this study is to look closely at how aspects of instructional leadership, and organizational learning affect the quality of madrasah in improving the quality of graduate the state madrasah aliyah. The experiment was conducted using a quantitative approach with descriptive and inferential methods, in inferential methods used…

Professional development is a necessary component of maintaining competency in professional practice. Technology has opened the door to new formats for delivering professional development, in addition to more traditional modes of training. This study compared three professional development formats for improving the quality of standards-based…

The purpose of this research is to determine the levels of job satisfaction of sports coaches who are providing education to mentally retarded children and to examine as well as their job satisfaction according to different variables. Survey method was preferred as the data collection tool and "Minnesota Satisfaction…

Data collection can be the most time- and cost-intensive part of developmental research. This article describes some long-proposed but little-used research designs that have the potential to maximize data quality (reliability and validity) while minimizing research cost. In "planned missing data designs", missing data are used…