From the earlier half of the 20th century to 1973, the use of midwives _____
a. increased to 40%
b. decreased from 50% to 1%
c. decreased by a third
d. increased from 1% to 50%
Answer: B
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Transpersonal psychology seeks to establish itself as an academic discipline. Which of the following best describes its status?
a) It has not yet been integrated into any psychology departments in the United States. b) It has not been granted formal status by the American Psychological Association. c) The Diagnostic and Statistical Manual has not yet been modified to include a diagnostic category for "religious or spiritual problems." d) Some (e.g., Tart, 2009) think the field will never be established because psychology cannot be both scientifically and spiritually oriented.
Which statement accurately describes effect size?
a) An effect size refers to the statistical significance of an effect. b) An effect size refers to the magnitude of a difference between groups. c) An effect size refers to the influence of the experimenter. d) An effect size refers to the physical size of a manipulation.