Maturation is a threat to ____
a. external validity
b. internal validity
c. convergent validity
d. inter-rater reliability
b
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What is the name of the inherited disorder in which a child is unable to make use of an essential amino acid present in proteins found in milk?
A. sickle cell disorder B. phenylketonuria (PKU) C. Prader-Willi syndrome D. chromosome deficiency
Which genetically linked trait reflects the tendency to endorse rules and authority?
A. traditionalism B. neuroticism C. social potency D. extroversion
If Christa wants to study the relationship between income and years of education, she ought to use the ____ method.
A. observation B. experimental C. naturalistic D. correlation
How is cocaine usually administered?
A. by rubbing it on your skin B. by smoking the freebase form C. by baking it into food products such as brownies D. by mixing the powder with alcohol and drinking it