After conducting an experiment, Linda realizes that she smiled more often when interacting with the experimental group than when interacting with the control group. Which artifact may Linda have introduced into her experiment?
a. the double-blind procedure
b. the good subject effect
c. the Hawthorne effect
d. the experimenter expectancy effect
Question 2
The notion that subjects are often motivated to look good when participating in an experiment is because they are
a. trying to be good subjects.
b. being employed as quasi-control subjects.
c. experiencing experimenter expectancy effects.
d. experiencing evaluation apprehension.
Ghostly experiment
Mixing schematic Diagram CHE 415 unit operations experiment apparatus
An Example of an Electrical Stimulation Experiment
The Meselson–Stahl experiment proves DNA replicates semiconservatively
Redi Experiment
The Taylor–Woods–Hughes experiment