Why Is It Essential That the Experimental and Control Groups

question 55

Multiple Choice

Why is it essential that the experimental and control groups be treated identically in every respect but one?

• A)so that the dependent variable can be accurately measured
• B)so that the results will apply outside the laboratory setting.
• C)so that if the behavior of the two groups differs,the difference can be credited to the one thing that distinguished the groups from one another.
• D)so that if the behavior of the two groups differs,that difference can be used to establish a functional relationship between the independent and dependent variables.

---

Definitions:

Nutrients

Nutrients are substances needed by organisms to live and grow, found in food, and essential for energy, growth, and bodily functions.

Sudden Infant Death Syndrome

A mysterious and tragic condition where an infant dies unexpectedly, typically during sleep, with no clear cause even after a thorough investigation.

Concept Formation

The process of organizing information into categories and forming general ideas or concepts based on common features.

Developing Hypothesis

The process of formulating a testable statement or prediction that can be verified through empirical research, often as the initial step in scientific inquiry.