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Sleep and academic performance of Portuguese Teenagers

Table 4: Sleepiness in class and school performance

Perception of sleepiness in class No Yes Levene’s p t p
School performance Average Sd Average Sd
Study Environment 33.78 8.99 31.22 8.16 0.610 2.904 0.004
Study Planning 29.64 7.98 26.94 8.12 0.509 3.266 0.001
Study Method 29.53 8.41 27.60 8.70 0.394 2.194 0.029
Reading Skills 29.26 8.49 27.32 9.64 0.270 2.073 0.039
Motivation to study 29.41 8.42 28.07 9.58 0.388 1.450 0.148
Overall School Performance 151.6471 38.63 141.1813 39.63 0.573 2.606 0.010
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