Describe in your own words what type of research situations call for a researcher to use a multiple regression analysis.

• Read Chapter 8 in your Discovering Statistics Using IBM SPSS Statistics textbook.

• Review the video tutorial for an overview of conducting multiple regression in SPSS.

• Download and open the Popularity SPSS data set.

An overview of the data set:

This data set represents hypothetical data from a study that examined how well some core personality traits predict a person’s level of popularity. Personality was measured using the “Big 5,” which is a very commonly used measure of personality. In fact, a Big 5 personality scale was included in the Module Two discussion.

Here is some more information about the variables in this hypothetical data set:

• Number: This is the ID number of the participant

• Sex: Participants’ sex, with “1” standing for male and “2” standing for female

• Age: College year of the participant, with “1” standing for freshman, “2” standing for sophomore, etc.

• Popularity: Popularity measured with a questionnaire that could range from 0 to 100, with higher numbers indicating more popularity

• Extroversion: A Big 5 trait indicating level of sociability. Scores range from 1 to 5, with high numbers indicating extroverted and low numbers indicating introverted

• Agreeableness: A Big 5 trait indicating level of interpersonal warmth and friendliness. Scores range from 1 to 5, with high numbers indicating warmth and low numbers indicating coldness towards others

• Conscientiousness: A Big 5 trait indicating level of self-control and responsibility. Scores range from 1 to 5, with high numbers indicating high conscientiousness and low numbers indicating low conscientiousness

• Neuroticism: A Big 5 trait indicating level of anxiety and emotional stability. Scores range from 1 to 5, with high numbers indicating high neuroticism and low numbers indicating low neuroticism

• Openness: A Big 5 trait indicating level of willingness to try new things and creativity. Scores range from 1 to 5, with high numbers indicating high open-mindedness and low numbers indicating closed-mindedness

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