In this paper, a problem set activity focused on understanding and applying unsupervised and supervised chemometric methods for the analysis of biodiesel-diesel blended fuels is described. This problem set was utilized in two upper-level analytical elective courses aimed for junior and senior level students. The data set consists of peak areas…

The purpose of this paper is to conduct a cross-cultural assessment of the Community of Inquiry (CoI) instrument [Arbaugh, J. B., Cleveland-Innes, M., Diaz, S. R., Garrison, D. R., Ice, P., Richardson, J. C., & Swan, K. P. (2008). Developing a community of inquiry instrument: Testing a measure of the community of inquiry framework using a…

Pedagogical content knowledge (PCK) is important for teachers' instructional effectiveness. This study investigated the self-reported level of PCK among in-service elementary school science teachers in a municipality in Ghana, examining the overall level of PCK. An In-Service Elementary Science Teachers Self-Reported PCK (IEST-SR-PCK) scale was…

Big Ideas in school mathematics can be seen as overarching concepts that occur in various mathematical topics in a syllabus. For teachers, this knowledge can be used to help students develop a better understanding of mathematics by making visible the central ideas, and connection across topics and across levels. For students, this knowledge can…

In this study, it was aimed to examine 9th grade students' multiple representation translate skills in algebra learning area and the relationship between these representations translate skills. The study employs survey design. Selected through purposive sampling method, 637 ninth grade students in a socio-economically medium level province in…

Helping students engage with complex texts has been a longstanding challenge, though teachers have received little guidance about practices that help students in engaging with texts. This paper provides a range of empirical evidence about a tool designed to provide formative insight into text-focused teaching, which we used to reliably score more…

Three studies (N = 1,346) detail the development of three theoretically grounded instruments operationalizing "instructor strictness." Using open-ended questionnaire data (n = 427), study 1 inductively derives an understanding of the instructor behaviors that students perceive as strict. These patterns of behavior are then condensed into…

Active Learning is becoming a standard method of delivering instruction in mathematics courses across the country. Researchers, administrators, policy makers, and instructors all need access to valid means of measuring practices used in the classroom. Drawing on the Postsecondary Instructional Practices Survey, the Student Postsecondary…

This study investigates the development of an instrument to explore the views of student teachers in Turkey towards using Facebook as a tool for teaching and learning. A five-point Likert-type scale was developed for a sample of 687 student teachers from various fields in Adiyaman, Mustafa Kemal, and Inonu Universities. The sample included 445…

This study aimed to develop and validate two parallel scales to measure the psychological L2 speaking and listening needs of 863 English-as-a-foreign language (EFL) learners. The associations between three psychological needs (i.e., autonomy, competence, and relatedness) of L2 speaking and of L2 listening were examined to develop insights into…

The main objective of this study is to develop a self-report instrument to measure preservice teachers' ICT competencies in education. The questionnaire items of this instrument are based on an existing comprehensive framework and were created with input from experts in the field. The data were collected from a sample of 931 final-year preservice…

Metacognition helps control cognitions through the actions and interactions of metacognitive knowledge, experiences, and strategies. Since 1979, metacognition has been extensively studied and found to be an effective tool for learning. In reading, metacognition is associated with improved vocabulary, reading awareness, strategies, comprehension,…

Based on Chickering and Gamson's (1987) Seven Principles for Good Practice, this research project attempted to revitalize the principles by merging them with Merrill's (2006) Different Levels of Instructional Strategy. The aim was to develop, validate, and standardize a measurement instrument (DLISt7) using a pretest-posttest Internet…

Recently identified as an academic "achievement emotion", boredom has long been implicated as a factor contributing adversely to student attainment across a diverse range of formal educational settings. Despite this, the study of boredom, particularly among students in higher education, remains a relatively neglected and underdeveloped…

Purpose: The purpose of this research paper is to apply the Six Sigma methodology to identify the attributes of a lecturer that will help improve a student's prior knowledge of a discipline from an initial "x" per cent knowledge to a higher "y" per cent of knowledge. Design/methodology/approach: The data collection method…