One of the first scientists to suggest that infants actively construct their own knowledge was
A) Jackie Gibson.
B) Mary Whiton Calkins.
C) Arnold Gesell.
D) Jean Piaget.
D
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Four month-old infants appear to use object _____ to determine whether two side-by-side objects are separate
a. size b. hue c. shape d. shade
If participants are able to choose treatment in a scientific study, this is called a ____________ that is a source of bias that could influence the results
a. correlation c. hypothesis b. selection factor d. placebo
Recent surveys of sexual practices in Western countries have suggested that the percentage of men engaging in homosexual activity is
A. about 10%, which is the same as estimated by the 1953 Kinsey surveys. B. about 10%, which is higher than estimated by the 1953 Kinsey surveys. C. under 5%, which is significantly lower that the estimates of the 1953 Kinsey surveys. D. between 5% and 10%, which is the same as estimated by the 1953 Kinsey surveys.
Sexology is the study of
a. the mechanics of sexual intercourse b. relationship and intimacy issues c. organized sexual behavior in all aspects d. sexual variations in different cultures