I believe it is a conditional response due to him having his reaction to the injection being the most prevalent thing in his mind about the doctors.
Answer:
b. as the dependent variable.
Explanation:
Dependent variable: It is defined as the variable that is being tested and measured in the scientific experiment. The experimenter or the researcher focuses on the fact that if they change the independent variable in an experiment, then how does it leads to change in the dependent variable.
Fundamentally, the experimenter or the researcher controls or changes the independent variable to see the undeviating effect on the dependent variable.
The dependent variable is always dependent on the independent variable in an experiment.
Example: The researcher is interested in how anxiety affects heart rate in humans.
