Explain why a high correlation between an independent variable and a dependent variable does not demonstrate causation.
What will be an ideal response?
Key terms and concepts that may be included in student responses:
? A dependent variable is the factor we are trying to predict in our study.
? An independent variable is the factor we believe will affect the dependent variable.
? A high correlation between an independent and a dependent variable does not tell us that the former caused the latter. Only that there is a relationship between the two.
? A correlation might indicate causation, but so might another variable that had not been considered.
? Example: Stress might correlate to anxiety, but it doesn't necessarily cause it because another, unexamined, variable such as genetic predisposition.
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Several months after split-brain surgery, the number of incidents of conflicts between the two hemispheres diminishes because ____
a. portions of the corpus callosum grow back b. the right hemisphere begins to control all body muscles c. the hemispheres learn ways of cooperating with each other d. the cerebellum assumes the former functions of the corpus callosum
Habituation research reveals that size and shape constancy are present as early as
A) the first week of life. B) 3 months of age. C) 6 months of age. D) 1 year of age.
What is the criteria for a PTSD diagnosis?
What will be an ideal response?
Externalizing disorders include all of the following EXCEPT
a) ADHD b) noncompliance c) conduct disorder d) social withdrawal