________ is the participant's formal acknowledgement that he or she understands the purposes, procedures, and risks of a study and agrees to participate
a. Pre-testing c. Participant permission
b. Debriefing d. Informed consent
D
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____________ is a term that describes involuntary movements that also involve tics, tremors, and jerky movements of the face and limbs
Answer:
Which medical advance has contributed to the need for very precise legal definitions of death?
A. electroencephalogram B. heart-lung machine C. intravenous fluids D. mechanical ventilator
What role does the somatic nervous system play?
A) It converts messages that are received from the central nervous system into involuntary reflexes. B) It primarily regulates the glands and the muscles of internal organs. C) It commands the brain to filter unwanted neural impulses that have been accidentally triggered. D) It transmits messages about sights, sounds, smells, and so on, to the central nervous system.
In order to establish an unambiguous cause-and-effect relationship between two variables, it is necessary to eliminate the possible influence of extraneous variables
a. True b. False Indicate whether the statement is true or false