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Table 3 Correlations values with pre-test (top) and pre-test-FM (bottom) for the most interesting features on each of the 8 problems in the micro-adaptive-only condition

From: Non-intrusive assessment of learners’ prior knowledge in dialogue-based intelligent tutoring systems

  1 2 3 4 5 6 7 8
ft1 –0.36 –0.408 –0.141 –0.176 –0.225 –0.136 –0.254 –0.181
  –0.408 –0.333 –0.162 –0.182 –0.256 –0.225 –0.25 –0.219
fg2 0.344 0.262 0.242 0.202 0.213 0.230 0.321 0.236
  0.358 0.221 0.254 0.183 0.157 0.125 0.267 0.216
fg7 –0.423 –0.403 –0.303 –0.295 –0.35 –0.245 –0.283 –0.225
  –0.433 –0.293 –0.268 –0.296 –0.305 –0.258 –0.29 –0.228
fs1 –0.448 –0.444 –0.333 –0.308 –0.34 –0.36 –0.361 –0.276
  –0.473 –0.334 –0.305 –0.295 –0.278 –0.351 –0.331 –0.254
fs7 0.458 0.368 0.193 0.360 0.254 0.208 0.311 0.264
  0.458 0.297 0.122 0.386 0.206 0.168 0.251 0.23
fs11 –0.424 –0.425 –0.215 –0.291 –0.284 –0.326 –0.415 –0.326
  –0.464 -0.314 -0.248 –0.318 –0.223 –0.317 –0.393 –0.29
fs12 –0.404 –0.386 –0.295 –0.352 –0.28 –0.337 –0.194 –0.2
  –0.385 –0.284 –0.225 –0.310 –0.219 –0.304 –0.158 –0.208
  1. Rows correspond to features and columns to problems