The concept of variability is central to statistics. In this research report, we review mathematics education research on variability and, based on that review and on feedback from an expert panel, propose a learning progression (LP) for variability. The structure of the proposed LP consists of 5 levels of sophistication in understanding…

Studies conducted since the late 1970s have sought to describe students' conceptions of learning especially how gender of lecturers affected the learning of students. However, not many studies have been done in Ghana concerning how gender of lecturers affected learning among students. The purpose of this study was to explore the influence of…

Two test items that examined high school students' beliefs of sample size for large populations using the context of opinion polls conducted prior to national and state elections were developed. A trial of the two items with 21 male and 33 female Year 9 students examined their naive understanding of sample size: over half of students chose a…

The Pupil-Perceived Needs Assessment (PPNA) is designed to assist school personnel in collecting information on pupil attitudes, reactions, and feelings towards new and existing curricular and extracurricular programs or towards education in general, and to assess pupils' needs from the pupils' perspective. The package is not meant to be used as…

The effectiveness of multiple matrix sampling was examined in a study of 495 students' attitudes toward a computer education program. A post hoc analysis of variance was used, with the class as the unit of analysis. The Computer Attitude Scale, a 30-item rating scale, was used to measure attitudes toward learning about and working with computers.…