Which research strategy attempts to address questions about cause-and-effect relationships but fails to produce an unambiguous answer because the study contains a flaw?
a. experimental
b. quasi-experimental
c. nonexperimental
d. correlational
b
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_____ is a prolonged and severe stress reaction to a catastrophic event
a) AIDS-related dementia b) Posttraumatic stress disorder c) Substance abuse d) Major depression
Explain the main reasons for the decline in family size (number of children per couple) and what effects fewer siblings have on a child's development
What will be an ideal response?
Violet is known for having an outgoing and engaging personality. From a biological perspective, how did Violet attain this characteristic?
A. a single gene pair B. sex-linked inheritance C. polygenic inheritance D. mutation of one or more genes
Derrick speaks to his son using short sentences with high-pitched, exaggerated expression, clear pronunciation, distinct pauses between speech segments, clear gestures to support verbal meaning, and repetition of new words. Derrick is using________
A) an exploratory style B) an inclusive style C) infant-directed speech D) telegraphic speech