Why is entertainment media exposure linked with poorer academic performance?
A. Engaging in this media allows less time to complete homework.
B. Children often engage in this media simultaneously while doing homework, which leads to distraction and poorer learning of the academic material.
C. Entertainment media tends to use attention-grabbing techniques which are not found in academic pursuits, such as reading or homework, so children get bored more quickly because they are used to more engaging activities.
D. all of these
Answer: D
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R E L I A B I L I T Y A N A L Y S I S - S C A L E (A L P H A) Item-total Statistics Scale Scale Corrected Mean Variance Item- Alpha if Item if Item Total if Item Deleted Deleted Correlation Deleted Q1 54.1282 166.2200 .5505 .9082 Q2 54.5641 165.0418 .4917 .9092 Q3 56.0256 159.4467 .5719 .9072 Q4 54.6667 158.5439 .6972 .9039 Q5 55.0769 159.9676 .6225 .9058 Q6 54.9744 158.3414 .6422 .9052 Q7 54.6667 160.1228 .6374 .9055 Q8 54.5385 159.9393 .6314 .9056 Q9 55.1538 152.5020 .6596 .9048 Q10 55.6154 160.0850 .5321 .9084 Q12 56.0256 170.8151 .2423 .9156 Q14 54.3846 164.1377 .5508 .9078 Q16 54.9487 163.4710 .4447 .9108 Q17 55.0769 155.3887 .6760 .9041 Q18 55.5897 157.1430 .6421 .9051 Q19 56.0513 165.3131 .5756 .9076 Q20 55.0769 163.0729 .4870 .9095 Q21 55.1026 152.9892 .7586 .9015 Reliability Coefficients N of Cases = 39.0 N of Items = 18 Alpha = .9118 A. Q12 B. Q16 C. Q21 D. Q4