Table 3. A Summary of correlations and R2 between LASSI and academic performance in six studies
Study Source Current study (N = 168) West (2011)            (N = 106) West (2014) (N = 79) Kellogg (2010) (N = 65) Lipsky (1999) (N = 442) Loong (2012) (N = 156)
Academic performance Year I  final Year II final Year 1 final Step 1 Astronomy course grade Year I GPA Math performance
All Home International
Anxiety 0.04 0.11 0.07 .26** 0.516** -- -- -- --
Attitude -0.10 -0.03 .19* 0.04 0.00 -- -- -- --
Concentration 0.02 .173* .23** .28** 0.317* -- -- -- --
Information processing -0.06 0.13 0.12 -0.05 0.10 -- -- -- --
Motivation 0.09 .218** .24** 0.12 0.535** -- -- --
Self-Testing 0.04 0.14 .36** 0.14 -0.16 -- -- -- --
Selecting Main Idea 0.10 .278** 0.08 0.14 0.11 -- -- -- --
Study Aid -0.13 -0.13 .18* -0.07 -0.21 -- -- -- --
Time Management -0.02 .213* .45** .26** 0.24 -- -- --
Test Strategies .172* .249** .27** 0.17 0.24 -- -- -- --
R2 0.10 0.19 0.39 0.19 0.49 0.18 0.38 0.36 0.46
Adjusted R2 0.03 0.12 0.32 0.07 -- -- 0.33 0.27 0.37

*Correlation is statistically significant at the 0.05 level (2-tailed). **Correlation is statistically significant at the 0.01 level (2-tailed). †The value was obtained from a secondary analysis. ‡ A good predictor but did not provide the value.

Int J Med Educ. 2016; 7:324-332; doi: 10.5116/ijme.57dc.fe0f