PSY 205: Research Methods I
Module 7: Assignment
researcher is interested in the relationship between fathers’ performance in
high school and their children’s social skills.
She obtains the high school transcripts of fathers and records their
ending GPA. She then measures the social skills of their oldest child.
Use the data shown below to:
the Pearson r correlation
for the significance of the correlation using a two-tailed test at the .05
the scatterplot for the data.
the coefficient of determination and explain what this means.
the coefficient of alienation (nondetermination) and explain what this means.
to a friend what this correlation coefficient tells you about the relationship
between fathers’ high school GPA and children’s social skills.
to your friend what this correlation does not tell you about the relationship
between these two variables. Suggest a
third variable that may be a work here.
the regression equation.
the social skills level of a child whose father had a high school GPA of 2.10.
the social skills level of a child whose father had a high school GPA of 3.40.
Child’s Social Skills
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