Mariana and David want to practice a method of avoiding pregnancy that is 100 percent effective. What method would you recommend?
a) abstinence
b) calendar method
c) cervical mucus method
d) condoms
a) abstinence
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There are five criteria that need to be met in order for observation to be a scientific tool. Which of the five criteria is met when a researcher records field jottings?
A. The observation is planned systematically. B. The observation is subjected to checks on reliability and validity. C. The observation is related to general propositions rather than specific examples. D. The observation is recorded systematically.
_______ refers to the ways in which a person is connected to his or her partner and bound to the relationship.
a) Interdependence b) Commitment c) Satisfaction d) Investment
Which of the following is true regarding the ovulation phase of the menstrual cycle?
A. This phase follows the luteal phase. B. During this phase, the follicle ruptures open and releases a mature egg. C. The levels of estrogen drop significantly during this phase. D. The level of follicle-stimulating hormone (FSH) rises significantly during this phase.
A sex researcher is interested in studying the sexual behavior of all sex offenders between ages 18 and 20 currently serving life sentences in prison in his city. He ultimately manages to study each one of these individuals. In this example, the researcher has gathered data from
A. using probability sampling. B. from a part of the population. C. from the population. D. using random sampling.