Professor Turner wants to know if physiological changes (e.g. ,heart rate,skin conductance,etc. )occur when people watch violent movies.The most appropriate method to study this would be

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The best choice would be laboratory observation, as this would allow the researcher to control the variables and manipulate the independent variable (in this case, the violent movie stimulus). This would ensure that any changes in physiological responses can be attributed to the independent variable, rather than other extraneous factors.

Professor Turner Wants to Know If Physiological Changes (E