Which probability sampling plan is used when the population is undivided?
a. simple random sampling
b. stratified random sampling
c. area probability sampling
d. cluster random sampling
a
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American Sign Language
a. has a spatial grammar and syntax. b. is a pantomimed code. c. is the only true gestural language in the world. d. is all of these.
Which of the three approaches to perception would describe perception of a tree as more than the addition of its branches, leaves, roots, flowers, etc.?
A. Gestalt B. computational C. perception/action
Which of the following choices shows the order in which milestones are achieved when learning to sing?
a. imitating excerpts of songs, exhibiting vocal contagion, experimenting with repetitive melodic patterns, creating spontaneous songs b. exhibiting vocal contagion, experimenting with repetitive melodic patterns, imitating excerpts of songs, creating spontaneous songs, c. creating spontaneous songs, experimenting with repetitive melodic patterns, exhibiting vocal contagion, imitating excerpts of songs d. exhibiting vocal contagion, experimenting with repetitive melodic patterns, creating spontaneous songs, imitating excerpts of songs
A procedure in which cells are collected from the membranes surrounding the fetus, and then tested for genetic abnormalities, is called ________
a. intra-uterine probe testing b. chorionic villus sampling c. ultrasound d. amniocentesis