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Ronan goes to several elementary schools where he tests students who are in the first grade, third grade, and sixth grade to examine the effect of age on a reasoning ability task. In his research, Ronan has used a _____ method.
Preferred Music Type
Indicates an individual's favorite genre or style of music, which reflects personal taste or cultural influence.
Level of Significance
A threshold in hypothesis testing that determines whether a result is statistically significant based on the probability of observing the result by chance.
Age Group
A classification of people based on their age, often used in demographic, marketing, and research contexts to segment populations.
Adverse Reactions
Unintended, harmful outcomes or side effects experienced after the use or exposure to a drug, treatment, or chemical.
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