According to available statistics, who is most likely to breast feed her infant for the longest period of time?
a. Wendy, a 30-year-old who returned to her full-time job as a seamstress when her daughter was 3 months old
b. Siri, who grew up in Norway and moved to the United States just before her son was born
c. Angela, an adolescent mother of twins
d. Tammy, a 20-year-old mother who is a participant in the WIC program
B
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______ scales, where categories cannot even be ordered from highest to lowest, create another problem for central tendency calculations.
A. Nominal B. Interval C. Ratio D. Ordinal
Communication is carried out between neurons when neurotransmitters are released into the
a. neurilemma tunnel. b. synaptic gap. c. dendritic furrow. d. ion channels.
Punishment is MOST effective
a. in most circumstances. b. when it occurs immediately after the undesired behavior. c. when it is mildly aversive. d. in surprisingly few situations. e. when it uses physical discipline.
How many different languages are there in the world?
A. 70 B. 700 C. 7,000 D. 70,000+