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Table 3 Descriptive statistics for the scales for ICT Engagement and ICH Usage for the Swiss and German sample

From: ICT Engagement: a new construct and its assessment in PISA 2015

ConstructNumber of itemsNumber of personsMSDChronbach’s alpha
ICT Engagement
 ICT interest65375/53492.87/2.930.58/0.570.76/0.75
 Perceived ICT competence55266/52842.92/2,880.65/0.660.84/0.84
 Perceived autonomy in ICT Use55296/52732.91/2.960.67/0.720.82/0.84
 ICT as a topic in social interaction55250/52022.42/2.360.77/0.740.86/0.80
ICT usage at school75389/53461.66/1,360.78/0.560.89/0.85
ICT usage outside of school
 Practical usage35489/54443.18/2.720.99/1.020.64/0.67
  1. M means score; SD standard deviation
  2. The coefficients in front of the forward slash refer to values for the Swiss sample, whereas the values after the forward slash refer to the results for the German sample