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.
The technique of Southern blotting
Technique of Direct Percussion
Serum protein electrophoresis is a technique in which serum components separate into 5 different ...
Scapula mobilizing technique: move and lift the scapula by pulling back at the shoulder.
titration technique
Gel electrophoresis, an essential laboratory technique in biological science research