In a study of elderly experience of nursing care given at home versus nursing care given in a hospital, the following results are reported: ‘Participants preferred medical care at home (M = 56, SE = 1.34) to being cared for in a hospital (M = 48, SE = 1.23). The difference is noted as t(18) = 4.40, p < .05 with an effect size of r = .72.’ What does this mean in terms of the significance of the study?
A. Highly significant with a medium sized effect
B. Highly significant with a substantial effect size
C. Not significant with a medium sized effect
D. Not significant but a substantial effect size
Answer: B
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