Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. in albert's study, the amount of food given is the variable.

Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. In albert's study, the amount of food given is the independent variable.

An independent variable is under the control of the experimenter. Independent variable does not depend on the other variables involved in the experiment. Since the amount of food is varied, it is not depending on other variables like size of mice, weight, etc.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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meiosis is the correct answer