In an Experiment,a Researcher Manipulates One Variable to See How

question 1

Multiple Choice

In an experiment,a researcher manipulates one variable to see how it affects a second variable.The second variable,which is observed for any possible effects,is called the __________.

• A)dependent variable
• B)control variable
• C)independent variable
• D)hypothetical variable

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Definitions:

Compounded

The method of calculating interest where the accumulated interest is added back to the principal sum, so that interest in the next period is then earned on the principal plus previously accumulated interest.

Principal

The original amount of money invested or loaned, before interest.

Compounded

The process of calculating interest on both the initial principal and the accumulated interest from previous periods.

Semi-annually

Occurring twice a year or every six months.