NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20250
Since 20240
Since 2021 (last 5 years)0
Since 2016 (last 10 years)0
Since 2006 (last 20 years)1
Descriptor
Instructional Effectiveness2
Probability2
Classification1
College Students1
Computation1
Computer Assisted Instruction1
Computer Software1
Computer Software Evaluation1
Educational Assessment1
Experiments1
Generalization1
Higher Education1
Identification1
Learning1
Mathematics Instruction1
Middle School Students1
Sampling1
Statistical Bias1
Statistics1
Test Items1
Validity1
More ▼
Source
Journal of Educational and…2
Author
Cohen, Steve1
Tipton, Elizabeth1
Publication Type
Journal Articles2
Reports - Evaluative1
Reports - Research1
Education Level
Junior High Schools1
Middle Schools1
Secondary Education1
Audience
Location
Texas1
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing all 2 results Save | Export
Improving Generalizations from Experiments Using Propensity Score Subclassification: Assumptions, Properties, and Contexts
Peer reviewed Peer reviewed
Direct linkDirect link
Tipton, Elizabeth – Journal of Educational and Behavioral Statistics, 2013
As a result of the use of random assignment to treatment, randomized experiments typically have high internal validity. However, units are very rarely randomly selected from a well-defined population of interest into an experiment; this results in low external validity. Under nonrandom sampling, this means that the estimate of the sample average…
Descriptors: Generalization, Experiments, Classification, Computation
Identifying Impediments to Learning Probability and Statistics from an Assessment of Instructional Software.
Peer reviewed Peer reviewed
Cohen, Steve; And Others – Journal of Educational and Behavioral Statistics, 1996
A detailed multisite evaluation of instructional software, the ConStatS package, designed to help students conceptualize introductory probability and statistics, yielded patterns of error on several assessment items. Results from 739 college students demonstrated 10 misconceptions that may be among the most difficult concepts to teach. (SLD)
Descriptors: College Students, Computer Assisted Instruction, Computer Software Evaluation, Educational Assessment