instrument development

Validity Evidence Claims and Plan for the SOMAS Instruments
The Surveys Of Motivational Attitudes towards Statistics (SOMAS) is a family of instruments being developed to measure what has …
Jul 9, 2018 — Kyoto, Japan (ICOTS 10)
Douglas Whitaker
Project
Validity Evidence Claims and Plan for the SOMAS Instruments
Students' Understanding of Bar Graphs and Histograms: Results From the LOCUS Assessments
Bar graphs and histograms are core statistical tools that are widely used in statistical practice and commonly taught in classrooms. …
Douglas Whitaker, Tim Jacobbe
Project DOI Full Text
Students' Understanding of Bar Graphs and Histograms: Results From the LOCUS Assessments
The Levels of Conceptual Understanding in Statistics (LOCUS) project: results of the pilot study
The Levels of Conceptual Understanding in Statistics (LOCUS) project (NSF DRL-111868) has created assessments that measure conceptual …
Douglas Whitaker, Steven Foti, Tim Jacobbe
Cite Project DOI Full Text
The Levels of Conceptual Understanding in Statistics (LOCUS) project: results of the pilot study
LOCUS: Assessing conceptual understanding of statistics
The Levels of Conceptual Understanding in Statistics (LOCUS) assessments are an NSF-funded (DRL-1118168) family of assessments designed …
Jun 15, 2015 — Halifax, Nova Scotia (SSC 2015)
Douglas Whitaker, Tim Jacobbe
Project
LOCUS: Assessing conceptual understanding of statistics
Establishing the Validity and Reliability of Assessments of Statistical Understanding
May 30, 2015 — State College, Pennsylvania (USCOTS 2015)
Robert delMas, Tim Jacobbe, Douglas Whitaker
Project
Establishing the Validity and Reliability of Assessments of Statistical Understanding
LOCUS: Assessing Students’ and Teachers’ Knowledge of Statistics
The Levels of Conceptual Understanding of Statistics (LOCUS) assessments are the product of a multi-year NSF grant (DRL-1118168) …
Feb 28, 2015 — Las Vegas, Nevada (RCML 2015)
Douglas Whitaker
Project
LOCUS: Assessing Students’ and Teachers’ Knowledge of Statistics
LOCUS assessments: Implications for and uses in research and teaching
The NSF-funded LOCUS project (DRL-1118168) has developed assessments to measure conceptual understanding in statistics, different from …
Nov 6, 2014 — Jacksonville, FL (SSMA 2014)
Douglas Whitaker, Steven Foti, Catherine Case, Tim Jacobbe
Project
LOCUS assessments: Implications for and uses in research and teaching
LOCUS: A Tool for Assessing Statistical Reasoning in the Common Core State Standards
This session will present diagnostic assessments for measuring students’ understanding of statistics as outlined in the Common Core …
Oct 31, 2014 — Indianapolis, Indiana (NCTM Regional Indianapolis 2014)
Douglas Whitaker, Tim Jacobbe
Project
LOCUS: A Tool for Assessing Statistical Reasoning in the Common Core State Standards
High school (ages 14 – 18) students’ understanding of statistics
This paper will present results from the administration of the LOCUS assessments to measure students’ statistical understanding in …
Jul 18, 2014 — Flagstaff, Arizona (ICOTS 9)
Catherine Case, Douglas Whitaker, Steve Foti, Tim Jacobbe
Project
High school (ages 14 – 18) students’ understanding of statistics
Middle school (ages 10 – 13) students’ understanding of statistics
This paper will present results from the administration of the LOCUS assessments to measure students’ statistical understanding in …
Jul 17, 2014 — Flagstaff, Arizona (ICOTS 9)
Steve Foti, Douglas Whitaker, Tim Jacobbe
Project
Middle school (ages 10 – 13) students’ understanding of statistics