Which of the following is made by labeling class intervals on the abscissa, frequencies on the ordinate, and then drawing bars for each class interval with the height of each bar being determined by the number of scores in each class?
a. scatter diagram
b. histogram
c. frequency polygon
d. normal curve
B
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Researchers are currently investigating the role that the neurotransmitter ____ plays in mediating leptin action in the brain.?
a. ?acetylcholine b. ?serotonin c. ?dopamine d. ?endorphin
The preoperational period takes place between 2 and 7 years of age
Indicate whether the statement is true or false
Tiffany is wildly in love with Timothy, and he with her, but she can't stop worrying about his fidelity and doubting his love
She wants to be with him constantly, but when she feels jealous she pushes him away. According to the attachment theory of love, which style of attachment does Tiffany have? What will be an ideal response?
An eating disorder characterized by abnormally low weight and an intense fear of gaining
weight is ______. a. binge-eating disorder c. anorexia nervosa b. identity disorder d. bulimia nervosa