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Bimodal Distribution
A bimodal distribution is a specific shape of data distribution characterized by two distinct peaks, representing two scores or categories that occur most frequently. While less common than unimodal distributions in psychological research, they can emerge when different subsets of a sample respond divergently.
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Research Methods in Psychology - 4th American Edition @ KPU
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Impact of Distribution Shape on Central Tendency
When describing the visual pattern of a quantitative variable's distribution on a histogram, which of the following characteristics are primarily used to define its shape?
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Example of a Bimodal Distribution
Central Tendency in a Bimodal Distribution
Bimodal Distribution of Scores on the Beck Depression Inventory
Bimodal Distribution of Scores on the Beck Depression Inventory
A researcher measures the anxiety scores of students before an exam. Upon graphing the data, they notice the distribution has two distinct peaks, indicating that one subset of students scored very low while another subset scored very high. Which term best describes the specific shape of this data distribution?