A Cognitive Psychologist Studying the Structure of Intelligence Obtained the Following

question 55

Essay

A cognitive psychologist studying the structure of intelligence obtained the following scores for verbal reasoning and numerical ability for six female students.(Z scores are provided.) a.Make a scatter diagram of the raw scores.
b.Describe in words the general pattern of association,if any.
c.Figure the correlation coefficient.
d.Determine whether the correlation is significant using the .05 level and a two-tailed test.
e.Explain the logic of what you have done to someone who has never heard of correlation,but who does understand the mean,standard deviation,Z scores,and hypothesis testing.
f.Give three logically possible directions of causality,saying for each whether it is a reasonable direction in light of the variables involved and why.

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