Which of the following is TRUE concerning teen pregnancies in the United States?
a. Most are intentional pregnancies.
b. Teens are likely to have more medical complications than pregnant young adults.
c. The babies of teens are at lower risk for low birth weight and prematurity than those of young adults.
d. Most teenagers who experience pregnancy are positively received by their peers for this decision and get a lotof support.
b
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How does the postformal stage differ from the formal operations stage?
a) The postformal stage adds meaning to the logic present in the formal operations stage. b) The postformal stage is a revisiting of youthful dreams, different from the practical essence of the formal operations stage. Consider This: Riegel (1973) build upon Piaget's stages of development. LO 9.1: List reasons for the quest for self-transcendence c) The postformal stage is only applicable in older adulthood, while the formal operation is only applicable in young adulthood. Consider This: Riegel (1973) build upon Piaget's stages of development. LO 9.1: List reasons for the quest for self-transcendence d) The postformal stage examines the ego, while the formal operations stage examines integrity. Consider This: Riegel (1973) build upon Piaget's stages of development. LO 9.1: List reasons for the quest for self-transcendence
The two main designs used in all research on human behavior are __________ and __________
A) correlational; coefficient B) correlational; experimental C) dependent; independent D) laboratory; field experiments
An experiment was performed to test whether caffeine in Coca-Cola would improve performance on an intelligence test. One randomly chosen group of subjects was given an 8 oz. cup of Coca-Cola containing caffeine to drink 10 minutes before taking the intelligence test. Another randomly chosen group was given an 8 oz. cup of decaffeinated Coke to drink 10 minutes before taking the test. Neither group had any food or drink for three hours before the experiment began. Why was one group given a cup of decaffeinated Coca-Cola rather than being given nothing at all?
a. For ethical reasons—it is so the participants in the control group would not feel excluded b. For sampling reasons—it is so participant selection can be considered random c. For statistical reasons—it is so the groups can more accurately represent the population d. For experimental reasons—it is so the participants would have exactly the same experience except for the stimulant effect of caffeine
Which statement about the placenta is true?
A. It forms during the second trimester of pregnancy. B. It encloses the developing organism in amniotic fluid. C. It contains one large vein that delivers nutrients to the embryo. D. It permits food and oxygen to reach the developing organism.