Search results for author:"Justus J. Randolph"
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Computer science education research at the crossroads: A methodological review of computer science education research, 2000–2005
Justus J. Randolph
Computer@science@education research at the crossroads: A methodological review of computer science education research, 2000–2005 (2007) pp. 1–327
Methodological reviews have been used successfully to identify research trends and improve research practice in a variety of academic fields. Although there have been three methodological reviews of the emerging field of computer science education...
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Meta-Analysis of the Research on Response Cards: Effects on Test Achievement, Quiz Achievement, Participation, and Off-Task Behavior
Justus J. Randolph
Journal of Positive Behavior Interventions Vol. 9, No. 2 (2007) pp. 113–128
In this meta-analysis, the author analyzed 18 response card articles, theses, or dissertations to determine the magnitude of effect that response card strategies have on test achievement, quiz achievement, class participation, and intervals of off...
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Effective Use of Correctives in Mastery Learning
Sean V. DeWeese; Justus J. Randolph
Association of Teacher Educators National Conference 2011 (Feb 14, 2011)
Mastery learning is a formative assessment strategy that involves the use of specific interventions, called correctives, to address the specific comprehension needs of the learner. Effective correctives are crucial for the effectiveness of mastery...
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Factorial Validity and Reliability of the Sense of Community in Online Courses Scale
Justus J. Randolph; Linda M. Crawford
Journal of Interactive Online Learning Vol. 12, No. 2 pp. 53–69
The alarmingly high rate of attrition in online courses results in many negative consequences for students, faculty, online institutions, and for society as a whole. One reason theorized for this attrition is a lack of a sense of community in online ...
Topics: Community
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The Effects of a Computer-Assisted Interview Tool on Data Quality
Justus J. Randolph; Marjo Virnes; Ilkka Jormanainen; Pasi J. Eronen
Educational Technology & Society Vol. 9, No. 3 (2006) pp. 195–205
Although computer-assisted interview tools have much potential, little empirical evidence on the quality and quantity of data generated by these tools has been collected. In this study we compared the effects of using Virre, a computer-assisted self-...
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A Methodological Review of Computer Science Education Research
Justus J. Randolph; George Julnes; Erkki Sutinen; Steve Lehman
Journal of Information Technology Education: Research Vol. 7 (2008) pp. 135–162
Methodological reviews have been used successfully to identify research trends and improve research practice in a variety of academic fields. Although there have been three methodological reviews of the emerging field of computer science education...
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Theoretical Development, Factorial Validity, and Reliability of the Online Graduate Mentoring Scale
Linda M. Crawford; Justus J. Randolph; Iris M. Yob
Mentoring & Tutoring: Partnership in Learning Vol. 22, No. 1 (2014) pp. 20–37
In this study, we sought to confirm the theoretical framework underlying an Online Graduate Mentoring Scale by establishing the scale's factorial validity and reliability. Analysis of data received from doctoral students and alumni/ae of the...
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A Methodological Review of Computer Science Education Research
Justus J. Randolph; George Julnes; Erkki Sutinen; Steve Lehman
Journal of Information Technology Education: Research Vol. 7, No. 1 (Jan 01, 2008) pp. 135–162
Methodological reviews have been used successfully to identify research trends and improve research practice in a variety of academic fields. Although there have been three methodological reviews of the emerging field of computer science education...
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Creative and Playful Learning on Technology-Enriched Playgrounds: An International Investigation
Justus J. Randolph; Marjaana Kangas; Heli Ruokamo; Pirkko Hyvönen
Interactive Learning Environments Vol. 24, No. 3 (2016) pp. 409–422
The purpose of this quasi-experimental study was to determine the degree that creative and playful learning (CPL) in a technology-enriched playground influences academic achievement of students and what factors are responsible for successes. The...
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A Step-by-Step Guide to Propensity Score Matching in R
Justus J. Randolph; Kristina Falbe; Austin Kureethara Manuel; Joseph L. Balloun
Practical Assessment, Research & Evaluation Vol. 19, No. 18 (November 2014)
Propensity score matching is a statistical technique in which a treatment case is matched with one or more control cases based on each case's propensity score. This matching can help strengthen causal arguments in quasi-experimental and...