Why Is It Essential That the Experimental and Control Groups

question 1

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 behaviour 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 behaviour of the two groups differs,the difference can be used to establish a functional relationship between the independent and dependent variables

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Definitions:

African-American

A term used to describe Americans of African descent with ancestry primarily linked to African countries.

Native American

Refers to the indigenous peoples of the United States, including their cultures, histories, and current challenges.

Middle-aged

A term used to describe individuals who are in the middle phase of life, typically between the ages of 45 and 65.

Autosomal Dominant

A pattern of inheritance in which an affected individual has one copy of a mutant gene and one normal gene on a pair of autosomal chromosomes.