Spreadsheet template and custom functions to investigate
1. the significance of difference of a single case and control group performance,
2. the same difference as in (1) if the performance is a slope index,
3. the significance of difference of extremity of two tasks performance of a single case contrasted with a control group.
The calculations implement the procedures introduced in:
- Crawford, J. R., & Howell, D. C. (1998). Comparing an Individual’s Test Score Against Norms Derived from Small Samples. The Clinical Neuropsychologist, 12(4), 482–486. http://doi.org/10.1076/clin.12.4.482.7241
- Crawford, J. R., & Garthwaite, P. H. (2004). Statistical Methods for Single-Case Studies in Neuropsychology: Comparing the Slope of a Patient’s Regression Line with those of a Control Sample. Cortex, 40(3), 533–548. http://doi.org/10.1016/S0010-9452(08)70145-X
- Crawford, J. R., & Garthwaite, P. H. (2005). Testing for suspected impairments and dissociations in single-case studies in neuropsychology: evaluation of alternatives using monte carlo simulations and revised tests for dissociations. Neuropsychology, 19(3), 318–331. http://doi.org/10.1037/0894-4105.19.3.318
- Crawford, J. R., Howell, D. C., & Garthwaite, P. H. (1998). Payne and Jones revisited: estimating the abnormality of test score differences using a modified paired samples t test. Journal of Clinical and Experimental Neuropsychology, 20(6), 898–905. http://doi.org/10.1076/jcen.20.6.898.1112
If you use this solution, please, cite it as:
- Krajcsi, A. (2018). Single-case statistical methods. Open Science Framework. https://doi.org/10.17605/OSF.IO/UXD7Q
