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.

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Definitions:

Face Value

The nominal value printed on a bond or share, representing its legal value rather than market value.

Bond Discount

The difference when bonds are sold for less than their face value, indicating investors require a higher yield due to perceived risks or interest rates being higher than the bond's rate.

Accrued Interest

Interest that has been incurred but not yet paid, often relating to bonds or loans.

Semiannual Interest Expense

Interest expense that is due or accrued every six months on outstanding debts.