The purpose of this study was to examine the impact of dimensionality, common-item set format, and different scale linking methods on preserving equity property with mixed-format test equating. Item response theory (IRT) true-score equating (TSE) and IRT observed-score equating (OSE) methods were used under common-item nonequivalent groups design.…

The study aims to investigate the effect of using constructivist learning model in teaching science, especially in the subject of light: its nature, mirrors, lens, and properties, on the achievement of eighth-grade students and their scientific thinking. The study sample consisted of (136) male and female 8th graders were chosen from two basic…

Interpreting and creating graphs plays a critical role in scientific practice. The K-12 Next Generation Science Standards call for students to use graphs for scientific modeling, reasoning, and communication. To measure progress on this dimension, we need valid and reliable measures of graph understanding in science. In this research, we designed…

The vocabulary size of 16- to 30-month-old children (N = 1235) was assessed using the Estonian adaptation of the MacArthur-Bates Communicative Development Inventory: Words and Sentences (ECDI-II). The relationship between children's expressive vocabulary size and different factors of the child and his/her social environment was examined. Results…

Using data from preservice teachers enrolled in a diversity course in a predominantly White teacher education program, researchers uncovered that diversity education was indeed a catalyst for preservice teachers to increase knowledge of diversity and their understanding of the process of critically reflecting on their teaching and learning…

Citizen science programs provide opportunities for students to help professional scientists while fostering science achievement and motivation. Instruments which measure the effects of this type of programs on student motivational beliefs are limited. The purpose of this study was to describe the process of examining the reliability and validity…

Many students who struggle to obtain the alphabetic principle are at risk for being identified as having a reading disability and would benefit from additional explicit phonics instruction as a remedial measure. In this action research case study, the research team conducted two experiments to investigate the effects of a color-coded, onset-rime,…

During the recent technological years, language learning has been attempted to transform its path from the conventional methods to instrumental applications. Mobile phone provides people to reach and exchange information through chats (WhatsApp). It is a tool or mode that means the facilities are used for main purposes. The unique features of the…

The purposes of this study were to develop a culture specific critical thinking ability test for 6, 7, and 8. grade students in Turkey and to use it as an assessment instrument for giftedness. For these purposes, item pool involving 22 items was formed by writing items focusing on the current and common events presented in (Turkish) media from…

The purpose of this study was to survey the attitudes of parents of adolescent children (with, and without, hearing impairment), with the following objectives: (1) compare perceptions of the parent groups regarding the risk of leisure-noise-related hearing injury; and (2) investigate how comfortable parents felt endorsing their child's…

The impact of targeted professional development activities on teachers' perceptions of self-efficacy with mobile learning remains understudied. Power (2015a) used the Mobile Teacher's Sense of Efficacy Scale (mTSES) survey instrument to measure the effects of a mobile learning themed professional development course on teachers' confidence with and…

The study aimed at investigating the degree of awareness of environmental risks of water shortage of students-teachers in the majors of Classroom teachers, Counseling and Special education in the Education Sciences College at WISE and their degree of awareness according to major and gender. The sample of the study which was selected randomly…

A few computer-assisted language learning (CALL) instruments have been developed in Iran to measure EFL (English as a foreign language) learners' attitude toward CALL. However, these instruments have no solid validity argument and accordingly would be unable to provide a reliable measurement of attitude. The present study aimed to develop a CALL…

Several instruments previously validated for use in school library research were tested for their appropriateness in the context of public libraries' summer reading programs for youth. The researchers were also interested in whether the connection between perceived competence in one's own information skills and perceived competence in one's own…

Speech acts are the major concern of interlanguage pragmatists. The present study aimed to 1) examine the reliability and validity of an interlanguage pragmatic (ILP) competence test on speech acts in a Chinese EFL context, and 2) investigate EFL learners' variations of ILP competence by language proficiency. Altogether 390 students participated…