What does the chi-square test compare?
a. Observed and expected frequencies
b. Sample means
c. Population means
d. Population standard deviations
Ans: a. Observed and expected frequencies
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Indicate whether this statement is true or false.
Which term refers to a learning disability marked by inattention, impulsiveness, a low tolerance for frustration, and a great deal of inappropriate activity?
A. bipolar disorder B. childhood schizophrenia C. attention deficit/hyperactivity disorder (ADHD) D. generalized anxiety disorder
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a. True b. False Indicate whether the statement is true or false
Jenny, age 16, and her mother Alice are looking at family photographs and focus on one of Arthur (Jenny’s dad and Alice’s husband). They interpret the expression on his face very differently. When Arthur gets home, he confirms Alice’s interpretation of the picture. Jenny’s error can be explained by the fact that ____.?
a. ?Alice has more gray matter than Jenny b. ?Jenny’s amygdala has matured before her frontal lobes c. ?Jenny’s frontal lobes has matured before her amygdala d. ?Jenny has more white matter than Alice