Does the month in which you were born relate to
Does the month in which you were born relate to your later mental health? Fombonne (1989) took all children referred to a psychiatric clinic in Paris with a diagnosis of psychosis and sorted them by birth month. (There were 208 such children.) He had a control group of 1,040 children referred with other problems. The data are given below, along with the percentage in the general population born in that month.
a) How will you adjust (transform) the Psychosis and Control groups’ data so that all three data sets can fit on the same graph?
b) How will you plot the data?
c) Plot the data.
d) Do those diagnosed with psychosis appear to differ from the general population?
e) What purpose does the Control group play?
f) What do you conclude?
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