Katrina is interested in studying the relationship between attention deficit disorder and behavioural problems in schoolchildren, but she believes that the students' socioeconomic statuses may affect her results. She studies two groups of children through an intervention treatment and makes sure that all children in both groups are from homes with the same level of income. What technique does
Katrina use in this study?
A) matched samples
B) matched pairs
C) random sampling
D) third-variable correlation
A) matched samples
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How do the layers of the cortex differ from each other?
A. They contain different types and sizes of cells. B. They form different structures. C. Some of the layers contain neurons, while others contain glial cells. D. Some of the layers contain columns, while others do not.
A preschooler's approach to the world is often dictated more by her own subjective views of the world than by the world's reality
Indicate whether this statement is true or false.
The reticular formation extends from the medulla through the pons and into the midbrain
a. True b. False Indicate whether the statement is true or false
Baseline is to treatment as _____ is to _____
a. dependent variable; independent variable b. independent variable; dependent variable c. control group; experimental group d. experimental group; control group