Survey of Thermodynamic Processes and First and Second Laws (STPFaSL)

Developed by Benjamin Brown and Chandralekha Singh

Purpose To measure the effectiveness of traditional and/or research-based techniques of teaching the first and second laws of thermodynamics and thermodynamic processes.
Format Pre/post, Multiple-choice
Duration 40 min
Focus Thermal / Statistical Content knowledge (first law of thermodynamics, second law of thermodynamics, PV diagrams, reversible processes, irreversible processes)
Level Upper-level, Intermediate, Intro college
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Sample questions from the STPFaSL:

RESEARCH VALIDATION
Silver Validation
This is the second highest level of research validation, corresponding to at least 5 of the validation categories below.

Research Validation Summary

Based on Research Into:

  • Student thinking

Studied Using:

  • Student interviews
  • Expert review
  • Appropriate statistical analysis

Research Conducted:

  • At multiple institutions
  • By multiple research groups
  • Peer-reviewed publication

The multiple-choice questions on the STPFaSL were developed by consulting with instructors of introductory courses about topics and content goals, as well as materials for these courses, and completing literature review of student difficulties with relevant topics. A preliminary distribution of questions from various topics was developed in consultation with instructors. Free-response versions of the questions were then given to students, and the responses used to create the multiple-choice answers. Students interviews were conducted and expert input incorporated at various points in the development process. Appropriate statistical analyses of difficulty, discrimination and reliability were conducted and reasonable results found, with the exception of low reliability on pre-test scores for introductory students. The developers also tested the effect of changing the order of the answer choices and found no differences between versions. The STPFaSL has been tested with over 2000 students enrolled in introductory and upper level undergraduate thermodynamic courses and 45 entering physics graduate students in their first semester of the graduate program. The results are published in one dissertation. 

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Language Translator(s)  
Indonesian Dwi Rahmawati and Syuhendri

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Typical Results

Typical results on the STPFaSL from (Brown 2015). See the section on question clusters for information on which questions are included in each sub-category. 


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The latest version of the STPFaSL, released in 2015, is version 1.