jamovi analyze
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whether the age of their participants could predict how many details of a crime they
could recall. Furthermore, with this objective in mind, a regression analysis was
conducted. (5 marks total)
a) The correlation between age and items recalled is r = -0.78. What is the research
question for a correlation analysis using these two variables? (1 mark)
b) For a correlational analysis, calculate the r2 value and explain what this tells us about
these two variables. (1 mark)
Below is the output from the Model Coefficients table after running the regression
analysis. Use this information to answer questions 1 c), d) and e).
c) What is the research question for a regression analysis using these two variables? (1
mark)
d) What is the regression equation? (1 mark)
e) How would you interpret the slope coefficient? (1 mark)
Predictor
Estimate
SE
t
p
Intercept
17.61
0.59
29.70
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