Which of the following is NOT true regarding field experiments?
a. They have an experimental manipulation.
b. They have a measured dependent variable.
c. They are always more externally valid than lab experiments.
d. They use a method for creating initial equivalence.
Question 2
In comparison to laboratory studies, field experiments are likely to have
a. higher internal and external validity.
b. higher internal and lower external validity.
c. lower internal and higher external validity.
d. lower internal and external validity.
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visual field
. Calculate the net electric field at point B
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