Both sides of the story: comparing student-level data on reading performance from administrative registers to application generated data from a reading app

EPJ Data Science

Table 7 Standardized coefficients from the linear and ridge regression models on reading speed progress and associated t- and p-values.

Model	Variable	Coefficient	t	p
Linear regression	reading ability test score	−0.942	−2.362	0.018
	grade	−0.638	−1.384	0.167
	genre of book: non-fiction	−22.180	−3.519	0.000
	last reading speed relative to class	8.460	9.759	0.000
	reading speed progress relative to class	−20.050	−12.670	0.000
Ridge regression	reading ability test score	−1.222	−3.034	0.002
	genre of book: fiction	4.285	2.252	0.025
	grade	−1.267	−2.435	0.015
	last reading speed	0.044	3.208	0.001
	last reading speed relative to class	5.510	4.089	0.000
	reading speed progress	−0.302	−12.794	0.000

Note: Statistics based on reading data from August 2019 to February 2020, reading ability data and register data.