K-12 students are expected to acquire competence in data display as part of developing statistical literacy. To support research, assessment design, and instruction, we developed a hypothesized learning progression (LP) using existing empirical literature in the fields of mathematics and statistics education. The data display LP posits a…

The main purpose of this study was to examine the effects of Problem-Solving Strategy Steps (PSSS) on students' achievement, skill, and confidence. The study was conducted in a two-year college classroom with 70 students from two different groups enrolled in a physics course. One of them was randomly selected as an experimental group (EG) and the…

Given the frequency with which the "system of least prompts" is used, it is important to identify procedures to enhance the effectiveness and efficiency of the system. This study compared effects of a traditional least to most procedure (TLM) and a revised least to most procedure (RLM) on skill acquisition in individuals with moderate and severe…

The theoretical basis of programmed instruction and the sequential skill development approach used at University of Louisville's University College are described, and results of student testing to determine the effectiveness of programmed instruction in the school's remedial program are examined. Nine areas of basic competencies needed for college…