When Quantitative Researchers Want to Test a Hypothesis About a Relationship

question 15

Multiple Choice

When quantitative researchers want to test a hypothesis about a relationship between two variables they often develop a null hypothesis and a corresponding alternative hypothesis.What does the null hypothesis say about the relationship being studied?

• A)There is no relationship between the two variables.
• B)The dependent variable has an effect on the independent variable.
• C)There is no intervening variable affecting the relationship between the independent and dependent variables.
• D)The relationship between the independent and dependent variables is spurious.
• E)The independent variable has an effect on the dependent variable.

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Definitions:

Tuning Curves

Graphical representations showing how neurons in the auditory or visual systems respond to various frequencies or stimulus intensities.

Frequencies

Frequencies refer to the rate at which a vibration occurs that constitutes a wave, either in materials (sound waves) or in electromagnetic fields (light waves), measured in hertz (Hz).

Earphones

A set of small loudspeakers that fit directly in or over the ears for individual listening.

Microseconds

A unit of time equal to one millionth (10^-6) of a second.