Please no written by hand solution and no img A researcher is interested in mother contingent responding to infant frowns. That just means mothers changing their behaviors to respond to infant behaviors, something that is expected to foster secure infant attachment to mothers. She knows that the mean proportion of contingent responding on infant frowns in the US is .30 (SD = .10). She goes to Fiji and observes one mother and her infant. That mother shows a proportion of contingent responding to infant frowns of .45.   a. Test the hypothesis that mothers in Fiji are different from mothers in the US in terms of contingent responsiveness to infant frowns. Use an alpha level of .05.

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A researcher is interested in mother contingent responding to infant frowns. That just means mothers changing their behaviors to respond to infant behaviors, something that is expected to foster secure infant attachment to mothers. She knows that the mean proportion of contingent responding on infant frowns in the US is .30 (SD = .10). She goes to Fiji and observes one mother and her infant. That mother shows a proportion of contingent responding to infant frowns of .45.

 

a. Test the hypothesis that mothers in Fiji are different from mothers in the US in terms of contingent responsiveness to infant frowns. Use an alpha level of .05.

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