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Douglas Whitaker
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Clustsig: Significant cluster analysis
D Whitaker, M Christman
R package version 1 (1), 2014
1302014
“Maybe That Helps Folks Feel Better About What They're Doing”: Examining Contradictions Between Educator Presumptions, Student Experiences, and Outcomes at an Alternative School
BL Kennedy-Lewis, D Whitaker, O Soutullo
Journal of Education for Students Placed at Risk (JESPAR) 21 (4), 230-245, 2016
402016
Reducing mowing frequency increases floral resource and butterfly (Lepidoptera: Hesperioidea and Papilionoidea) abundance in managed roadside margins
DA Halbritter, JC Daniels, DC Whitaker, L Huang
Florida Entomologist 98 (4), 1081-1092, 2015
392015
Students' Understanding of Bar Graphs and Histograms: Results From the LOCUS Assessments
D Whitaker, T Jacobbe
Journal of Statistics Education 25 (2), 90-102, 2017
322017
The Levels of Conceptual Understanding in Statistics (LOCUS) Project: Results of the Pilot Study.
D Whitaker, S Foti, T Jacobbe
Numeracy: Advancing education in quantitative literacy 8 (2), 2015
312015
Establishing the validity of the LOCUS assessments through an evidenced-centered design approach
T Jacobbe, C Case, D Whitaker, S Foti
Sustainability in Statistics Education. Proceedings of the Ninth …, 2014
272014
Starch Content of Citrus Leaves Permits Diagnosis of Huanglongbing in the Warm Season but Not Cool Season
DC Whitaker, MC Giurcanu, LJ Young, P Gonzalez, E Etxeberria, ...
HortScience 49 (6), 757-762, 2014
202014
Package ‘clustsig’
D Whitaker, M Christman, MD Whitaker
R package, 2014
202014
Challenges associated with measuring attitudes using the SATS family of instruments
D Whitaker, A Unfried, M Bond
Statistics Education Research Journal 21 (1), 2022
152022
Design and validation arguments for the student survey of motivational attitudes towards statistics (S-SOMAS) instrument
D Whitaker, A Unfried, M Bond
Assessment in mathematics education contexts, 120-146, 2019
122019
A Framework and Survey for Measuring Students’ Motivational Attitudes toward Statistics
D Whitaker, A Unfried, L Batakci
ICOTS 10th International Conference on Teaching Statistics, 2018
12*2018
The LOCUS assessment at the college level: conceptual understanding in introductory statistics
T Jacobbe, D Whitaker, C Case, S Foti
Sustainability in Statistics Education. Proceedings of the Ninth …, 2014
122014
High school (ages 14–18) students’ understanding of statistics
T Jacobbe, S Foti, C Case, D Whitaker
Sustainability in Statistics Education. Proceedings of the Ninth …, 2014
92014
The Development of a Professional Statistics Teaching Identity.
D Whitaker
North American Chapter of the International Group for the Psychology of …, 2016
82016
Establishing the content validity of the LOCUS assessment through evidence centered design
T Jacobbe, C Case, D Whitaker, S Foti
Proceedings of the 9th International Conference on Teaching Statistics, 2014
72014
Motivation for and Benefits from Attending the AP Statistics Reading
T Jacobbe, BA Hartlaub, D Whitaker
Journal of Education and Training Studies 1 (2), 32-37, 2013
72013
Lessons from the LOCUS Assessments (Part 1): Comparing Groups
D Whitaker, T Jacobbe
Statistics Teacher Network 83, 13-15, 2014
62014
Epistemic and mathematical beliefs of exemplary statistics teachers
D Whitaker
International Journal for Mathematics Teaching and Learning 21 (2), 119-142, 2020
52020
Lexical Ambiguities in the Vocabulary of Statistics
D Whitaker
International Journal for Mathematics Teaching and Learning 17 (3), 2016
52016
The search for validity evidence for instruments in statistics education: Preliminary findings
D Whitaker, C Bolch, L Harrell-Williams, S Casey, C Huggins-Manley, ...
Statistics education in the era of data science. Proceedings of the …, 2022
32022
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