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Table 3 Standardized and unstandardized coefficients of ICT resources, use, and attitudes on digitally assessed reading performance

From: Everything in moderation: ICT and reading performance of Dutch 15-year-olds

InterceptStep 1Step 2
bSEβbSEβ
532.136.79− .02552.187.58− .02
Student background
 Gender (ref: girls)− 21.453.33− .11− 20.294.51− .10
 ESCS43.813.13.3443.883.76.34
ICT resources   − 5.413.97− .03
 Quadratic   − 3.881.60− .07
ICT use
 At school in general   − 5.574.23− .04
  Quadratic   − 7.301.78− .11
 Outside school for schoolwork   5.643.55.04
  Quadratic   − 7.291.37− .12
 Outside school for leisure   − 7.203.28− .05
  Quadratic   .731.10.01
ICT attitudes
 Interest   14.852.38.13
  Quadratic   − 7.911.18− .12
 Perceived competence   .983.03.01
  Quadratic   3.212.28.04
 Perceived autonomy   10.192.93.09
  Quadratic   − 3.481.86− .04
R2.13.02 .22.02 
  1. Significant regression coefficients (p ≤ .05) are in italics. Results of the full model before adding the quadratic terms are presented in Appendix