What percentage of scores in a normal distribution is between +1 and –1 standard deviation of the mean?
A. 5%
B. 34%
C. 68%
D. 95%
Ans: C
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Haley and her boyfriend are sexually active, but they are not concerned about contracting STIs. Why are adolescents more vulnerable to STIs compared to older individuals?
A. Adolescents are less likely than older people to use protection against STIs during intercourse. B. Adolescents are more likely to engage in vaginal intercourse, which does not transmit STIs. C. Because adolescents recently went through puberty, their bodies are more prone to infection. D. Adolescents typically have fewer sex partners, which reduces the odds of contracting an STI.
Classical and instrumental conditioning are usually seen as obeying the same principles
Indicate whether the statement is true or false
According to the principle of ______, we are more likely to agree to a request when the person asking is someone we like
a. liking b. admiration c. caring d. attraction
Which of the following is a characteristic of a virus?
A. It moves independently throughout the body. B. It alters its genetic structure to match with a host. C. It reproduces outside a host cell. D. It is a protein-coated gene package.