In addition to changes in eating habits, portion sizes of main meals have increased substantially. ‘Supersizing’ increases consumption: doubling of portion size increases consumption by ______ (Zlatevska, Dubelaar, and Holden, 2014).
A. 17%
B. 23%
C. 35%
D. 40%
Answer: B
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Marla is one year old. She probably ____
a. ?knows general names rather than simple object categories b. ?is at the infant vocalization stage c. ?uses language without gestures d. ?understands more words than she can say
One advantage of the correlated-groups t test over the independent-groups t test is that it reduces the error variance due to a. the degrees of freedom. b. the independent variable. c. the dependent variable
d. individual differences.
Leptin is secreted by the ____ and appears to ____ hunger
a. ?hypothalamus; increase b. ?liver; increase c. ?fat cells; decrease d. ?intestines; decrease
As a child matures into adolescence, ____ genotype/environment correlations become more important
a. passive b. active (niche-building) c. canalized d. evocative