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FIGURE 2-2
-Figure 2-2 represents the position of a particle as it travels along the x-axis. What is the average velocity of the particle between t = 0 s and t = 3 s?
Independent Variable
The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.
Stimulus Variable
A Stimulus Variable is a factor in an experiment that can be changed or manipulated to observe its effects on the outcome.
Control Variable
A variable that is kept constant or unaltered in an experiment to ensure that the effects observed are due to the independent variable.
Questionnaire
A research instrument composed of a series of questions and other prompts for the purpose of gathering information from respondents.
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