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- Publications
- Influence
The 6-item CTS symptoms scale: a brief outcomes measure for carpal tunnel syndrome
- I. Atroshi, Per-Erik Lyrén, Christina Gummesson
- Psychology, Medicine
- Quality of Life Research
- 20 February 2009
ObjectiveTo develop a psychometrically appropriate brief symptoms measure of carpal tunnel syndrome (CTS).MethodsPreoperative CTS 11-item symptom severity and 8-item functional status scales from 693… Expand
The six-item CTS symptoms scale and palmar pain scale in carpal tunnel syndrome.
- I. Atroshi, Per-Erik Lyrén, E. Ornstein, C. Gummesson
- Medicine, Chemistry
- The Journal of hand surgery
- 1 May 2011
PURPOSE
To evaluate measurement properties of 2 brief outcome measures for carpal tunnel syndrome: the 6-item carpal tunnel symptoms scale (CTS-6) and the 2-item palmar pain scale (measuring severity… Expand
Reporting subscores from college admission tests
- Per-Erik Lyrén
- Psychology
- 1 March 2009
The added value of reporting subscores on a college admission test (SweSAT) was examined in this study. Using a CTT-derived objective method for determining the value of reporting subscores, it was… Expand
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Consequences of Violated Equating Assumptions Under the Equivalent Groups Design
- Per-Erik Lyrén, R. Hambleton
- Psychology
- 1 October 2011
The equal ability distribution assumption associated with the equivalent groups equating design was investigated in the context of a selection test for admission to higher education. The purpose was… Expand
The successful test taker: exploring test-taking behavior profiles through cluster analysis
- Tova Stenlund, Per-Erik Lyrén, Hanna Eklöf
- Psychology
- 1 April 2018
To be successful in a high-stakes testing situation is desirable for any test taker. It has been found that, beside content knowledge, test-taking behavior, such as risk-taking strategies,… Expand
Methods for Examining the Psychometric Quality of Subscores: A Review and Application.
- Jonathan Wedman, Per-Erik Lyrén
- Psychology
- 1 November 2015
When subscores on a test are reported to the test taker, the appropriateness of reporting them depends on whether they provide useful information above what is provided by the total score. Subscore… Expand
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Prediction of Academic Performance by Means of the Swedish Scholastic Assessment Test
- Per-Erik Lyrén
- Psychology
- 26 November 2008
This article reviews ten predictive validity studies of the Swedish Scholastic Assessment Test (SweSAT). A primary result is that the predictive validity of the SweSAT seems to be highly dependent… Expand
Using item response theory improved responsiveness of patient-reported outcomes measures in carpal tunnel syndrome.
- Per-Erik Lyrén, I. Atroshi
- Medicine
- Journal of clinical epidemiology
- 1 March 2012
OBJECTIVE
To compare responsiveness based on item response theory (IRT) with that based on conventional scoring for two patient-reported outcomes measures in carpal tunnel syndrome (CTS); the short… Expand
Group differences in test-taking behaviour: an example from a high-stakes testing program
- Tova Stenlund, Hanna Eklöf, Per-Erik Lyrén
- Psychology
- 2 January 2017
Abstract This study investigated whether different groups of test-takers vary in their reported test-taking behaviour in a high-stakes test situation. A between-group design (N = 1129) was used to… Expand
Admissions practices in Sweden
- Per-Erik Lyrén, Christina Wikström
- Psychology
- 2020
This chapter gives an account of the admissions system to higher education in Sweden with special focus on the criteria used in the selection process: upper secondary school grades and scores from ...