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Statistical Significance

You are a researcher who is interested in the effect of child care on the attachment which develops between an infant and a caregiver.

You believe that infants in child care will be insecurely attached at 11 months after being in child care from 2 months of age, compared with infants who are cared for at home by their mothers. How would you test your hypothesis?

Solution Preview

Interesting study. Let's take a closer look at one way to test your hypothesis.

RESPONSE:

1. You believe that infants in childcare will be insecurely attached at 11 months after being in childcare from 2 months of age, compared with infants who are cared for at home by their mothers. How would you test your hypothesis?

You want to test two groups of 11 month old infants on attachment style, one group that uses daycare since the age of 2 months and the other group that does not use daycare on attachment style (secure versus insecure). Therefore, you would need to advertise for participants (e.g. infants using daycare and infants not using daycare). You would set up your experiment:

Independent variable: Type of childcare (daycare versus no daycare)

Dependent variable: Attachment style (secure versus insecure) ...

Solution Summary

The scenario is that a healthcare worker believes that infants in child care will be insecurely attached at 11 months after being in child care from 2 months of age, compared with infants who are cared for at home by their mothers. This solution explains how to test this hypothesis for statistical significance e.g. null and alternative hypotheses, method, and so on.

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