CDM (version 2.7-7)

data.Students: Dataset Student Questionnaire

Description

This dataset contains item responses of students at a scale of cultural activities (act), mathematics self concept (sc) and mathematics joyment (mj).

Usage

data(data.Students)

source

Subsample of students from an Austrian survey of 8th grade students.

Example Index

gdm (Example 2), isop (Example 3, sirt), isop.scoring (Example 2, sirt)

Examples

data(data.Students)
library(psych)
describe(data.Students)
##   > describe(data.Students)
##          var    n mean   sd median trimmed  mad min max range  skew kurtosis   se
##   urban    1 2400 0.31 0.46    0.0    0.27 0.00   0   1     1  0.81    -1.34 0.01
##   female   2 2400 0.51 0.50    1.0    0.51 0.00   0   1     1 -0.03    -2.00 0.01
##   act1     3 2248 0.65 0.73    0.5    0.56 0.74   0   2     2  0.64    -0.88 0.02
##   act2     4 2230 0.47 0.69    0.0    0.34 0.00   0   2     2  1.13    -0.06 0.01
##   act3     5 2218 0.33 0.60    0.0    0.21 0.00   0   2     2  1.62     1.48 0.01
##   act4     6 2342 1.35 0.76    2.0    1.44 0.00   0   2     2 -0.69    -0.96 0.02
##   act5     7 2223 0.52 0.74    0.0    0.40 0.00   0   2     2  1.05    -0.41 0.02
##   sc1      8 2352 0.96 0.80    1.0    0.91 1.48   0   3     3  0.45    -0.39 0.02
##   sc2      9 2347 0.90 0.88    1.0    0.81 1.48   0   3     3  0.66    -0.41 0.02
##   sc3     10 2335 0.86 0.96    1.0    0.73 1.48   0   3     3  0.84    -0.35 0.02
##   sc4     11 2337 1.29 0.90    1.0    1.24 1.48   0   3     3  0.24    -0.71 0.02
##   mj1     12 2351 2.26 0.82    2.0    2.37 1.48   0   3     3 -0.94     0.28 0.02
##   mj2     13 2345 1.89 0.91    2.0    1.95 1.48   0   3     3 -0.35    -0.80 0.02
##   mj3     14 2334 1.47 1.02    1.0    1.47 1.48   0   3     3  0.10    -1.11 0.02
##   mj4     15 2346 1.59 0.99    2.0    1.62 1.48   0   3     3 -0.03    -1.06 0.02