Block 1 start: Experimental investigations of memory
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iCMA 41
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A researcher is interested in whether exposure to certain toxins (measured as the number of days
exposure per year), and an individual’s ability to process those toxins (as measured by the amount of
metabolites found in their blood) can predict the psychological ill health symptoms of chemical factory
workers.
They run a multiple regression and get the following output:
Click on the table to open a .pdf version.
Which statement best sums up what the research has found here?
Select one:
The model explains 49.4% of the variance in the data, and is a significant predictor of psychological
ill health symptoms.
The model explains 49.4% of the variance in the data, and is not a significant predictor of
psychological ill health symptoms.
The model explains 24.4% of the variance in the data, and is not a significant predictor of
psychological ill health symptoms.
The model explains 24.4% of the variance in the data, and is a significant predictor of psychological
ill health symptoms.