Mental health data used in Tan, et al. (2023).
tan2023p50
A list of dichotmous/polytomous responses and Qc-matrix with components:
dat
Responses of 719 students to 40 items.
Qc
The Qc-matrix.
The data consists of polytomous responses of 719 college students (34.6% men, 83.9% White, and 16.3% first-year students) to 40 items that measure four attributes. The item categories were collapsed to make sure each category has at least 50 responses if possible.
Ma, W., & de la Torre, J. (2020). GDINA: An R Package for Cognitive Diagnosis Modeling. Journal of Statistical Software, 93(14), 1-26.
Tan, Z., de la Torre, J., Ma, W., Huh, D., Larimer, M. E., & Mun, E. Y. (2023). A Tutorial on Cognitive Diagnosis Modeling for Characterizing Mental Health Symptom Profiles Using Existing Item Responses. Prevention science : the official journal of the Society for Prevention Research, 24, 480–492. https://doi.org/10.1007/s11121-022-01346-8
tan2023
for binary version of the data and tan2023p25
for polytomous data with each cateogry having 25 or more responses, when possible.