If you want to make sure that all ethnic groups are systematically represented in your sample, you should use:
a. systematic sampling.
b. stratified random sampling.
c. cluster sampling.
d. quota sampling.
B
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An average sleep cycle (from Stage N1 through REM):
a. lasts about 90 minutes b. takes approximately 10 to 15 minutes c. can last anywhere from a few minutes to several hours d. takes nearly 7 to 8 hours
The neuron that receives the message is called the ______ neuron.
A. postsynaptic B. presynaptic C. polarized D. reflexive
Major depression, and major depressive disorder with seasonal pattern are examples of ________ disorders
a. neurotic b. somatic symptom c. psychotic d. depressive e. anxiety
Describe how preschoolers understand numbers. How does this compare to Piaget's assumptions about what preschoolers are able to understand?
What will be an ideal response?