Which of the following is a threat to the validity of an observational technique?
a. poorly defined unit of analysis
b. reactivity
c. observer error
d. all of the above
Question 2
Which of the following is an appropriate example of a scoring procedure for a behavioral observation?
a. Sally presses a counter every time a toddler looks in the direction of his or her mother during the clinic visit.
b. Annika presses a button on her handheld computer every time, during the work day, that she becomes aware of a craving for a cigarette.
c. Toms makes a hatch mark on a piece of paper every time one spouse interrupts the other during a recorded conversation.
d. All of the above are appropriate scoring procedures.
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More than 1,000 different proteins from E. coli can be resolved using this technique
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Effleurage to the entire area with moderate pressure as a finishing technique. Apply effleurage ...
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