Search results for author:"John Willett"
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Journal of Research in Science Teaching Vol. 20, No. 5 (May 1983) pp. 405–17
Reports results of the meta-analysis of 130 research studies on effects of instructional systems used in science teaching. Studies coded gave rise to 341 effect sizes. Systems examined included audio-tutorial, computer-linked, individualized, and...
Guidelines for articulation of a framework for practical application of proportional-hazards models (PHMs) to professional survival analysis are provided. Focus is on data analysis fitting the PHMs with the semi-parametric methods of partial...
The State of Wiki Usage in U.S. K-12 Schools: Leveraging Web 2.0 Data Warehouses to Assess Quality and Equity in Online Learning Environments
Educational Researcher Vol. 41, No. 1 (2012) pp. 7–15
To document wiki usage in U.S. K-12 settings, this study examined a representative sample drawn from a population of nearly 180,000 wikis. The authors measured the opportunities wikis provide for students to develop 21st-century skills such as...
Economics of Education Review Vol. 22, No. 3 pp. 237–247
This paper examines the labor market value of the General Educational Development (GED) credential for females, questioning two implicit assumptions that have been employed in earlier studies. We show that providing access to work experience may be...
The devil’s in the details: evidence from the GED on large effects of small differences in high stakes exams
Economics of Education Review Vol. 23, No. 4 (August 2004) pp. 339–349
As part of standards-based educational reform efforts, more than 40 states will soon require students to achieve passing scores on standardized exams in order to obtain a high school diploma. Currently, many states are struggling with the design of...
Do different dimensions of male high school students' skills predict labor market success a decade later? Evidence from the NLSY
Economics of Education Review Vol. 20, No. 4 pp. 311–320
This paper uses data from the National Longitudinal Survey of Youth to examine whether measures of the skills of male teenagers predict their wages at ages 27 and 28. Three types of skills are examined: academic skills, skill at completing...
Rob Firmin; Eva Schiorring; John Whitmer; Terrence Willett; Elaine D. Collins; Sutee Sujitparapitaya
Distance Education Vol. 35, No. 2 (2014) pp. 178–201
In Spring 2013 San José State University (SJSU) launched SJSU Plus: three college courses required for most students to graduate, which used massive open online course provider Udacity's platform, attracting over 15,000 students. Retention and...
Model-Based Teaching and Learning with BioLogica[TM]: What Do They Learn? How Do They Learn? How Do We Know?
Barbara C. Buckley; Janice D. Gobert; Ann C. H. Kindfield; Paul Horwitz; Robert F. Tinker; Bobbi Gerlits; Uri Wilensky; Chris Dede; John Willett
Journal of Science Education and Technology Vol. 13, No. 1 (March 2004) pp. 23–41
This paper describes part of a project called Modeling Across the Curriculum which is a large-scale research study in 15 schools across the United States. The specific data presented and discussed here in this paper is based on BioLogica, a...