Normal cells in the body have __________
a) 23 chromosomes.
b) two sets of 25 chromosomes.
c) 52 chromosomes.
d) 46 chromosomes.
d
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Four-year-old Shaunda took part in a research study that investigated the effects of fruit juice consumption on obesity in children. When the study was published in a research journal, Shaunda's name was used in the article. Which guideline of ethical research involving children was violated?
a. Parental participation was not obtained. b. Identities of children are to remain confidential. c. Children and parents must be informed of the purposes of the research. d. The researchers did not get proper approval for conducting the study.
Masturbation:
a. is harmful if done too frequently. b. is more commonly reported by females than males. c. may lead to feelings of guilt. d. all of these
According to Erikson, the psychological conflict of middle childhood is
A) autonomy versus shame and doubt. B) initiative versus guilt. C) industry versus inferiority. D) identity versus role confusion.
Wanda is in a formal meeting with school administrators to discuss the possibility that she can
collect data in the school. Which of the following issues would the administrators be least concerned with? A) Whether or not Wanda assesses problems or concerns that face children in this particular school. B) The input of teachers and other staff members. C) Procedures for securing assent from minors and parent permission. D) Where the results will eventually be published.