All fourth graders at your school participated in a national science assessment. You want to compare how these fourth graders performed on this assessment based on particular characteristics. You find that the data is parametric. Choose one of the following characteristics to compare student science scores:
What will be an ideal response?
Eligibility for free or reduced-price lunch
• Gender
• Race/ethnicity
• English language learner status
Describe your independent and dependent variables, whether they are continuous or categorical, as well as the type of inferential statistics you plan to use. Make sure to provide an argument for why you choose the statistical test and why it fits best with your purpose.
*a. Answers may vary. An example a student might choose the independent variable of eligibility for free or reduced-price lunch with ANOVA as the inferential statistics they plan to use. Key points they would need to include are:
• List and describe independent variable: eligibility for free or reduced-price lunch, which has three categories: free lunch, reduced-price lunch, paid lunch. This is a categorical variable
• List and describe dependent variable: national science assessment scores, which are continuous
• List the statistical test: ANOVA
• Provide evidence for why it is the best fit for the purpose of the study:
o Parametric data
o Categorical independent variable with more than 2 groups
o Continuous dependent variable
o Comparison of groups
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Competitive games help preschool children develop a positive self-image when they win:
A. True B. False
In a synthesis of the research on the effects of class size, Robinson found that the most positive effects of small classes (22 or fewer students) occur in
A. kindergarten through third grade. B. fourth through seventh grades. C. seventh through ninth grades. D. tenth through twelfth grades.
Dr. Plomin is a human behavior geneticist. He most likely conducts studies with __________ to explicate the developmental influences of nature and nurture.
A. individuals who have varying degrees of genetic relatedness B. individuals whose behaviors vary greatly from the norm C. individuals who have taken part in the Human Genome project D. individuals who are at risk for recessive-gene disorders