20140517

Education research: SPCI statistics (spring semester 2014)

Students at Cuesta College (San Luis Obispo, CA) were administered the Star Properties Concept Inventory (SPCI version 3.0, developed by Janelle Bailey, University of Nevada-Las Vegas) during the first and the last week of instruction. Astronomy 210 is a one-semester introductory general science course, with a separate optional adjunct laboratory (Astronomy 210L).

The pre- to post-test gain for this semester at Cuesta College (excluding students with negative informed consent forms (*.pdf), and missing pre- or post-tests) is:

Astronomy 210 spring semester 2014 sections 30674, 30676
N = 55 (matched-pairs)
<initial%>= 29% ± 12%
<final%>= 55% ± 16%
<g>= 0.35 ± 0.25 (matched-pairs); 0.37 (class-wise)

This semester's SPCI post-instruction score is slightly higher than results from previous semesters at Cuesta College, and this semester's gain is much higher than those in previous semesters.

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