For the Spearman r, the null hypothesis states that
a. there is no correlation in the sample
b. there is no correlation in the population
c. the correlation is significant
d. the alpha level is zero
b
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Dr. Melville is interested in the ways adolescent girls and boys use networking sites on the Internet. This would best be described as a question of
A) sex differences. B) gender differences. C) sex-linked characteristics. D) neurobiology.
Which of the following events takes place at the onset of puberty to start sexual maturation?
A) LH and FSH are released from the gonads. B) Estradiol and testosterone are released by the gonads. C) The pituitary secretes gonadotropin-releasing hormones. D) The ovaries and testes release gonadotropic hormones. E) Sexual maturation is not a hormonally dependent process.