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Bronchoconstriction,dyspnea,and widespread vasodilation are all characteristics of __________.
Non-experimental
Research designs that do not involve manipulation of variables but rather observe and analyze relationships as they naturally occur.
Personal Ads
Advertisements placed by individuals seeking to meet others for dating, friendship, or other types of personal connections.
Factorial Design
An experimental setup that involves studying the effects of two or more factors by varying them systematically.
Independent Variables
Factors in an experimental setup that are intentionally changed by the investigator to determine their effect on the dependent variables.
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