Examlex
Use the given graph of the polynomial function to state whether the leading coefficient is positive or negative and whether the polynomial function is cubic or quartic.
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Experimental Research
A scientific approach that seeks to determine cause-and-effect relationships by manipulating independent variables and observing their effects on dependent variables.
Independent Variable
In an experiment, the stimulus variable or condition the experimenter manipulates to learn its effect on the dependent variable.
Manipulated
Altered or controlled by someone or something in a skillful or sometimes deceitful manner.
Projective Tests
Psychological assessments that use ambiguous stimuli to uncover hidden emotions and internal conflicts.
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