Which of the following is not evidence indicating that the relationship between school achievement and IQ may be a two-way street?
a. There is a small but significant drop in children's IQs over summer vacation.
b. Children who start school late have lower IQs than children who start school on schedule.
c. Average IQ scores get higher with age.
d. There is a strong, positive correlation between years of education and IQ.
C
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Proteins that circulate in the blood, specifically attaching to one kind of antigen are ____
a. macrophages b. B cells c. T cells d. antibodies
Feeling like one is fully functioning in a challenging endeavor is the main sign of
a. flow b. wonder c. epiphany d sugar overload
The double-standard refers to the sexual norm characterized by the belief that premarital sex is
A) not permissible under any circumstances, even though many adolescents are sexually active. B) an indicator that adolescents are developing an identity. C) permissible for both men and women if it occurs in the context of a stable, committed, and loving relationship, but not short-term casual relationships. D) permissible for males but not for females.
When, on average, does spermarche take place?
a. At the beginning of puberty b. 13-14 years of age c. 10-12 years of age d. 14-16 years of age