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An experiment investigated the effect of length and repetition of TV ads on students choosing to eat at Del Taco. All 60 students watched a 40-minute television program that included ads for Del Taco. Some students saw a 30-second commerical; others a 90-second commerical. The same commerical was shown either 1, 3, or 5 times during the program. After the viewing, each student was asked to rate their craving for Del Taco on a scale of 0 to 10. What is the response variable?
A. 1, 3, or 5 commercials during the 40-minute television program
B. craving for Del Taco on a scale of 0 to 10
C. 60 students
D. 30-second and 90-second commericials
E. 40-minute television program
Response variable : It is also referred to as an outcome or a dependent variable. In simple words, response variable is that variable which you are trying to measure. Response variables responds to the explanatory variables ( also known as independent variables). Explanatory variable of a study are those variables which helps to explain the variations in response variable or manipulates the response variable.
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