Some studies have shown that adolescents who limited their work to no more than ________ hours a week could effectively balance school and work
a. 5
b. 15
c. 20
d. 30
Answer: b. 15
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Ron and Jon are identical twins, but only Jon shows the symptoms of schizophrenia. Brain imaging techniques are most likely to show that Jon has ____
a. more brain tissue than Ron b. smaller than normal ventricles c. higher cerebral glucose metabolism d. ventricle enlargement
Rich performed a two-tailed test for an experiment in which n=15 . He could not find his t critical values table but he remembered the tcv at df = 20 . He decided to compare his tobt to this tcv. Is he more likely to make a Type I or a Type II error in this situation?
What will be an ideal response?
Suicide is the leading cause of death among adolescents
Indicate whether the statement is true or false.
If you created a study of 3rd to 6th graders, ______ would more likely to end a friendship over ______
a. boys; breaking the rules of a game. b. girls; breach of trust c. boys; breaking of loyalty d. girls; not sharing the same activities