About what percent of births in the U.S. today are performed by cesarean section?
a. 5-10%
b. 15-20%
c. 25%
d. 33%
d
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A tally sheet on which attributes that will not change are recorded is to _____ as a tally sheet used to note the presence or absence of behaviors is to _____ items
a. static; action b. action; static c. narrative; nonnarrative d. nonnarrative; narrative
Autism spectrum disorder includes all of the following EXCEPT ______.
A. autism B. Down syndrome C. Asperger's syndrome D. childhood disintegrative disorder
An experienced helper who provides emotional support to a woman during labor but does not actively participate in the delivery is referred to as a(n)
A. gynecologist. B. doula. C. health care professional. D. obstetrician.
Disadvantages of using archival data include all but ______.
a. the researcher has no control over the circumstances under which the data are collected b. the researcher has no control on the sampling technique used c. the researcher has no control on the measures used to observe behavior d. few resources are needed