Koopman, L., Zijlstra, B. J., & van der Ark, L. A. (2020). Standard errors of two‐level scalability coefficients. British Journal of Mathematical and Statistical Psychology, 73(2), 213-236.
This table has item text in the IRW: the wording administered to respondents, not just the response codes.
Instrument
Dutch Autonomy Support questionnaire (7-item subset)
Mean words per item
9.676
Mean characters per item
45.794
Mean characters per response
7.353
Flesch-Kincaid grade level
2.602
Codebook
This codebook is reconstructed by the IRW from the IRW data standard and the script that built it, mokken.R. It is our best reading, not the source’s own codebook, and it may contain mistakes. Where the two disagree, the source data are the authority. If you find an error, please tell us.
Column
What it is
Source column
IRW standard columns
id
IRW standard Identifier for the focal unit being measured — typically a person, but sometimes another entity (e.g., a word in a lexical task).
@article{Koopman_2019, title={Standard errors of two‐level scalability coefficients}, volume={73}, ISSN={2044-8317}, url={http://dx.doi.org/10.1111/bmsp.12174}, DOI={10.1111/bmsp.12174}, number={2}, journal={British Journal of Mathematical and Statistical Psychology}, publisher={Wiley}, author={Koopman, Letty and Zijlstra, Bonne J. H. and van der Ark, L. Andries}, year={2019}, month=jun, pages={213–236} }