Fathers\' stress levels and their young children\'s cognitive and language devel

Question

Fathers' stress levels and their young children's cognitive and language development are linked, suggests research in Infant and Child Development. The researchers examined data from 730 families at 17 Head Start locations around the country, and found that fathers who had higher levels of parenting stress had children who scored lower on a series of cognitive tests. The researchers say that these results point to the need for parenting research and interventions to focus on fathers as well as mothers.

(a) Identify both variables and describe how each was operationally defined.

(b) Identify the direction of the correlation.

(c) Write a full sentence describing the specific claim the researcher can make about the variables.

2. One of these correlations includes a moderating variable. Which study is it and what is the moderating variable?

Explanation / Answer

a) Independent variable : Stress level of fathers

Dependent variable: Scores on series of cognitive tests.

Fathers who had higher levels of parenting stress will result lower scored on a series of cognitive tests by children.

b) Negative correlation.

c) Researcher can claim that the scores in cognitive test by students depends the stress level of fathers. If stress level of father is less the cognitive scores of children will be good or vice-versa.

2) Moderating variable here is IQ. It is an observational study.

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