We utilized Global Adult Tobacco Survey data to examine singlestick purchases and related demographic characteristics in 10 African countries (Botswana, Cameroon, Ethiopia, Kenya, Nigeria, Mauritania, Senegal, South Africa, Uganda and Tanzania). Results show the weighted percentages and prevalence ratios with predicted marginal means to evaluate…

The current study was conducted to investigate the relationship between math anxiety and math achievement, highlighting differences in motivation based on age, and the mediating effects of task persistence as well as aspects of the expectancy-value theory. The students in the study (grade five N = 335, grade eight N = 251) were from Estonian…

This study aimed to identify factors of success and attrition within military students in doctoral programs. It also sought to examine performance in clinical doctoral-level programs to determine significant differences in outcome measures between military and nonmilitary. This study utilized archival data from five clinical psychology doctoral…

The aim of the study is to determine the degree of performance-related physical coordination of elementary education children (male and female) that play tennis according to their age and gender and to investigate the relationship between their motor ability tests and performances. A total of 210 children tennis players (9 to 10 years; 105 males…

This research investigates similarities and differences in young children's early numeracy skills related to age, nationality and gender. The participants were five- to seven-year-old children from Finland and Iran. Early numeracy was investigated by using tasks measuring number-related relational skills (e.g. comparison, one-to-one…

This article examines how international differences in age-grade distributions and grade effects contribute to science scores among 27 Organization for Economic Cooperation and Development countries. As shown in the 2006 Program for International Student Assessment, countries vary substantially in the grade distribution of 15-year-olds. The costs…

We report an investigation of the validity of teachers' ratings of children's progress in "phonics" as a screener for dyslexia. Seventy-three 6-year-olds from a whole school population were identified as "at risk" of dyslexia according to teacher judgements of slow progression through phonic phases. Six months later, children's attainments in…

This study examines the interaction effect of age in L2 attainment. It explores whether success in foreign language learning at early childhood grades varies depending on age. It also addresses the beliefs of foreign language teachers regarding the variables under review. Eighty-three 11 year-old language learners who started learning English at…

The aim of this study is to investigate the relationship between being labelled either as having dyslexia or as having general special educational needs (SEN) and a child's self-esteem. Seventy-five children aged between 8 and 15 years categorised as having dyslexia (N = 26), as having general SEN (N = 26) or as having no learning difficulties (N…

Purpose: To compare speech intelligibility in the presence of a 10-Hz square-wave noise masker in younger and older listeners and to relate performance to recovery from forward masking. Method: The signal-to-noise ratio required to achieve 50% sentence identification in the presence of a 10-Hz square-wave noise masker was obtained for each of the…

This study concerns the "highly qualified teacher" provisions of the "Elementary and Secondary Education Act" ("ESEA," 2002), as reauthorized, and other policies at the federal, state and local levels, which have aimed to elevate the content knowledge of teachers. This examination of "Praxis II" score trends…

Medical schools have reduced the time allotted to anatomy instruction. Consequently, schools engage students in more independent settings using information and communication technologies (ICT). There has been limited research in the use of video aids, a type of ICT, to enhance anatomy examination performance. The objective of this study is to…