We want to study the mean difference in autonomy between first-born and second-born children. Instead of taking a random sample of children we take a random sample of families and sort the children into first- and second-born. The dependent variable is a measure of autonomy. This experiment would most likely employ
a. a repeated measures analysis.
b. an independent measures analysis.
c. a correlation coefficient.
d. a scatterplot.
A
Psychology
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The complexity and efficiency of neural networks improve during early childhood over levels in infancy due to ___________
a. reduced use of glucose b. growth of dendrites and myelination of neuron pathways c. a decrease in synaptic density in the prefrontal cortex by age 3 1/2 years d. a decrease in the growth of gray matter until age 24 months
Psychology
The optic chiasm is where ____.?
a. ?compensation occurs for vision b. ?the optic nerve from each eye crosses over to the other side of the brain c. ?the optic nerve leaves the surface of the retina d. ?the optic nerve enters the visual cortex of the brain
Psychology