Trend scoring constructed response items (i.e. rescoring Time A responses at Time B) gives rise to two-way data that follow a product multinomial distribution rather than the multinomial distribution that is usually assumed. Recent work has shown that the difference in sampling model can have profound negative effects on statistics usually used to…

Experimental psychology is witnessing an increase in research on individual differences, which requires the development of new tasks that can reliably assess variations among participants. To do this, cognitive researchers need statistical methods that many researchers have not learned during their training. The lack of expertise can pose…

Colleges have increasingly turned to predictive analytics to target at-risk students for additional support. Most of the predictive analytic applications in higher education are proprietary, with private companies offering little transparency about their underlying models. We address this lack of transparency by systematically comparing two…

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…

The research was designed to examine the effects of question setting using different conditions into 10 sets on the validity of structural equation modeling for factors affecting job morale. The data was collected from 690 personnel working in regional Statistical Offices around Thailand by using cluster random sampling. The tool used in…

The study investigated counsellor trainees' views of practicum exercise in Guidance and Counselling programme in Delta State University, Abraka, Nigeria. To guide the study, four research questions were raised and one hypothesis formulated. The study is a descriptive survey which utilized the ex-post facto design. The population was made up of all…

Coefficient omega and alpha are both measures of the composite reliability for a set of items. Unlike coefficient alpha, coefficient omega remains unbiased with congeneric items with uncorrelated errors. Despite this ability, coefficient omega is not as widely used and cited in the literature as coefficient alpha. Reasons for coefficient omega's…

Early childhood education and care (ECEC) remains a priority area for public policy, internationally and in Australia. However, an analysis of empirical research published internationally up to 2008 has identified a bias toward positivist methodologies within a "scientific/psychological' rather than educational perspective and with a focus on…

This research aimed to analyze the Latent Group Profile, hereafter (LPA) of good teacher characteristics' in the 21st century in the Northeastern region of Thailand. The samples were 4 groups, viz; 10 expert teachers for interviewing on the draft of the variable to develop the indicators; 12 teachers who won Guru Awards from Teachers Council for…

In the present study, the Tolerance Scale developed by Ersanli (2014) was adapted to the Iranian culture, and its validity and reliability were investigated in the case of Iranian college students. The participants consisted of 552 Iranian college students (62% male, M = 20.84, S.D.: 1.53) selected using the convenience sampling method. The sample…

This study ascertained the principals' application of instructional leadership practices for secondary school effectiveness in Oyo State. Two research questions guided the study and two null hypotheses were tested. The descriptive survey research design was adopted for the study. The population of the study comprised 8,701 which were made of 969…

This study examined problems of improvisation of instructional materials in Social Studies by pre-service teachers in Ekiti State University. The population for the study comprised all Social Studies pre-service teachers in the Faculty of Education. The sample consisted of 90 Social Studies pre-service teachers selected from 200, 300 and 400…

A research on primary school education in the frame of education for sustainable development, as known as ESD, is important because the awareness of eco-friendly activities and environment empowerment cannot be developed in a short time. Meanwhile, human activities have caused significant environmental degradation. This is an exploratory study…

A common question asked by researchers using regression models is, What sample size is needed for my study? While there are formulae to estimate sample sizes, their assumptions are often not met in the collected data. A more realistic approach to sample size determination requires more information such as the model of interest, strength of the…

This is a survey study, designed to determine gender differences and socio-economic status, self-concept on students' academic performance in Colleges of Education, Borno State: Implications for counselling. The study set two research objectives, answered two research questions and tested two research hypotheses. The target population of this…