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A researcher wants to investigate whether different forms of exercise can be used to help hyperactive children.A group of 90 children is divided into two groups according to age - those aged 9-12 and those aged 5-9.Within each age group the children are randomly assigned to one of three groups.The first group will just do their normal exercise.The second group will be given an additional exercise routine (moderate) .The third group will be given an additional exercise routine (strenuous) .At the end of a four-month period,parents will be asked to evaluate their children's progress.Identify the factor(s) and any blocking variables and the number of levels for each.
Fetal Alcohol Syndrome Disorder
A range of effects that can occur in an individual whose mother drank alcohol during pregnancy, including physical, behavioral, and learning problems.
Early Substance Abuse
The engagement in the use of illicit drugs, alcohol, or overuse of prescription medication at a young age, which can lead to significant health, legal, and social problems.
Fetal Alcohol Effects
Health problems that can occur in a baby when the mother drinks alcohol during pregnancy. These are less severe than fetal alcohol syndrome but may include growth and behavioral problems.
Menopause
Menopause marks the end of a woman's reproductive years, characterized by the cessation of menstrual periods and a decrease in hormonal production.
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