R
For this course we will use R to run the analysis.
posit Cloud
If you do not have full admin permissions on your laptop I would recommend you use RStudio in the cloud. Sign up for a free account at Posit Cloud https://posit.cloud/
Follow the Getting Started Guide: https://posit.cloud/learn/guide#intro
If you do have full admin permissions on your laptop then you can use the desktop version of RStudio. Advanced coders may prefer R in VSCode.
Creating a Project in R Studio
Inside The Posit cloud, start a new RStudio project and follow the step by step guide to creating a visualisation here: https://r4ds.hadley.nz/data-visualize
I recommend working your way through this book, doing a little every day.
Andrich, David, and Ida Marais. 2019.
“The Idea of Measurement.” In
A Course in Rasch Measurement Theory, 3–11. Springer Nature Singapore.
https://doi.org/10.1007/978-981-13-7496-8_1.
Bond, Trevor G., Zi Yan, and Moritz Heene. 2020.
Applying the Rasch Model: Fundamental Measurement in the Human Sciences. Routledge.
https://doi.org/10.4324/9780429030499.
Cappelleri, Jason Lundy, J. C. 2014.
“Overview of Classical Test Theory and Item Response Theory for the Quantitative Assessment of Items in Developing Patient-Reported Outcomes Measures.” Clinical Therapeutics 36 (5): 648–62. https://doi.org/
https://doi.org/10.1016/j.clinthera.2014.04.006.
Cronbach, Lee J. 1951.
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https://doi.org/10.1007/bf02310555.
Goldstein, H., and Steve Blinkhorn. 1982.
“The Rasch Model Still Does Not Fit.” British Educational Research Journal 8 (2): 167–70.
https://doi.org/10.1080/0141192820080207.
Lord, Frederic M, and Melvin R Novick. 2008. Statistical Theories of Mental Test Scores. IAP.
McNeish, Daniel. 2018.
“Thanks Coefficient Alpha, We’ll Take It from Here.” Psychological Methods 23 (3): 412–33.
https://doi.org/10.1037/met0000144.
Panayides, Panayiotis, Colin Robinson, and Peter Tymms. 2010.
“The Assessment Revolution That Has Passed England by: Rasch Measurement.” British Educational Research Journal 36 (4): 611–26.
https://doi.org/10.1080/01411920903018182.
Robitzsch, Alexander, Thomas Kiefer, and Margaret Wu. 2022.
TAM: Test Analysis Modules.
https://CRAN.R-project.org/package=TAM.
Sijtsma, Klaas. 2008.
“On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha.” Psychometrika 74 (1): 107–20.
https://doi.org/10.1007/s11336-008-9101-0.
Wright, Benjamin D, and Magdalena Mok. 2000. “Rasch Models Overview.” Journal of Applied Measurement 1 (1): 83–106.