Examination for the Certificate of Proficiency in English (ECPE) Expert-Derived Q matrix

Source: R/ecpe-data.R

Examination for the Certificate of Proficiency in English (ECPE) Expert-Derived Q matrix

qmatrix_ecpe

Format

An object of class q_matrix (inherits from matrix) with 28 rows and 3 columns.

Details

Each entry in the matrix is either 1, if the item uses the skill, or 0, if the item does not use the skill. The skills identified by this matrix are:

  • skill1: Morphosyntactic rules

  • skill2: Cohesive rules

  • skill3: Lexical rules

The subjects answered the following assessment items:

  • item01

  • item02

  • item03

  • item04

  • item05

  • item06

  • item07

  • item08

  • item09

  • item11

  • item12

  • item13

  • item14

  • item15

  • item16

  • item17

  • item18

  • item19

  • item20

  • item21

  • item22

  • item23

  • item24

  • item25

  • item26

  • item27

  • item28

References

Data originated from:

  • Templin, J., & Bradshaw, L. (2014). Hierarchical diagnostic classification models: A family of models for estimating and testing attribute hierarchies. Psychometrika, 79(2), 317–339. doi:10.1007/s11336-013-9362-0

  • Templin, J., & Hoffman, L. (2013). Obtaining diagnostic classification model estimates using mplus. Educational Measurement: Issues and Practice, 32(2), 37–50. doi:10.1111/emip.12010

Data used in:

  • Culpepper, S. A., & Chen, Y. (2019). Development and application of an exploratory reduced reparameterized unified model. Journal of Educational and Behavioral Statistics, 44(1), 3–24. doi:10.3102/1076998618791306