Question

flashcards, and tutorials if you are not ready. the exam must be taken in one sitting without changing tabs. the exam must be submitted by the due date and time for full credit. a late penalty will be applied if submitted late at 2% per day - this penalty is better for you to take if you are not ready yet. go study more and then take the exam if you are not prepared to answer questions with little hesitation. youll be glad you did! question 1 1 pts new medications undergo extensive human testing before receiving fda approval. these tests represent an experiment and variations in the dosage given to participants represents the dependent variable. independent variable. correlation coefficient. invariable.

Explanation:

In an experiment, the independent variable is the factor that is manipulated or changed by the researcher. Here, the dosage of the new medication given to participants is being varied, which is the factor under the control of the experimenters. The dependent variable would be the response or outcome that is measured as a result of the changes in the independent variable. The correlation coefficient measures the relationship between two variables, and an invariant is a quantity that remains unchanged.

Answer:

B. Independent variable