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Which of the following is a group that can be measured against the experimental group?

A. Responding

B. Control

C. Variable

D. Variable

Answer Explanation:

an experiment is a test or trial that is conducted to test the principle or discover something unknown. For accurate comparisons, every experiment needs an experimental group and a control group. An experimental group refers to a variable or variables that are investigated while a control group is a variable that is not modified or changed during experimentation.

Therefore, the Correct Answer is B.

More Questions on TEAS 7

  • Q #1: The measurement indicated by the line across the center of the cell is best referred to as which of the following?  

    A. Radius

    B. Volume

    C. Area

    D. Diameter

    Answer Explanation

    In the given figure, the line runs from point of the circle to the other through the center. This is known as diameter of the circle.

  • Q #2: A group of students perform an experiment to test terminal velocity, which is the greatest speed obtained by a falling object. The students dropped different numbers of coffee filters and measured the resulting terminal velocity. Which of the following conclusions is supported by the data in the following table?

    A. Heavier objects take more time to reach terminal velocity.

    B. Heavier objects fall faster than lighter objects.

    C. Terminal velocity is when the force of gravity is equal to air resistance.

    D. The greater the number of filters, the smaller the terminal velocity.

    Answer Explanation

    Looking at the given table, increasing number of filters increases the mass. It is noted that terminal velocity increases with increasing mass. Thus, we can conclude that heavier objects (large masses) fall faster that lighter ones.

  • Q #3: In an experiment, the one variable that is changed is called the

    A. dependent variable

    B. experimental variable

    C. independent variable

    D. controlled variable

    Answer Explanation

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