Sample data, metadata, and SAS code.
Ecological Archives B090-001-S1.
Authors
File list (downloads)
Description
Everett Weber
Department of Biological Sciences
Murray State University
Murray, Kentucky 42071 USA
E-mail: everett.weber@murraystate.edu
Please note that ESA cannot guarantee the availability of Excel files in perpetuity as it is proprietary software. Thus, the data file here is also supplied as a tab-delimited ASCII file, and the other Excel workbook sheets are provided below in the description section.
Variable Type Length Description Units or values treat Character 5 Identifies the experimental treatment for the student model = used computer simulation model
mr = used multiple representations.class Character 1 Specific class in the experiment, 4 classes a = TTH 9:00am biology 101
b = MWF 9:00am biology 101
c = TH 1:00pm biology 101
d= MWF 1:00pm biology 101student Character 5 A unique student identifier for each student.
A student can be in only one class.
Use this information to trace individual scores for data quality control.class ID bar and student number ie.
A_2 = class A student 2pre real pre-test score, test given beginning of class on first day of instruction,
assessment was the Concept Inventory of Natural selection (Anderson et al. 2002)unit = percent correct, 1 = 100% correct,
range from 0 to 1post real post-test score, test given as part of first midterm following assignment. Assessment was the Concept Inventory of Natural selection (Anderson et al. 2002) unit = percent correct, 1 = 100% correct,
range from 0 to 1lg real learning-gains = post-pre unit = percent change, range from 0-1 nlg real normalized learning-gains = (post-pre)/(1-pre) unitless, range from negative infinity to infinity LITERATURE CITED
Anderson, D. L., K. M. Fisher, and G. Norman. 2002. Development and evaluation of the conceptual inventory of natural selection. Journal of Research in Science Teaching 39(10):952–978.
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