What is the null and research hypothesis?
Use the following data to answer the question that follow it:
Group 1 Group 2
Sample size = 25 Sample size = 25
Mean = 7 Mean = 9
Variance = 4 Variance = 4
Ans: Null: There is no difference between the two group means Research: There is a difference between the two group means
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The TIMSS study suggests two variables that seem to account for performance differences in American students. What are those two variables?
What will be an ideal response?
Assessments that allow comparison to a representative sample is called
A. norm tests B. culture-free tests C. criterion referenced tests D. sample-free tests E. national assessments
No Child Left Behind requires many things of schools, including
a. Schools will be held accountable for the separate achievement of all sub-groups of students b. Contains school choice components for parents c. Withholds funds to schools that fail to meet adequate progress d. Mandates parental involvement in forming school plans
There is nothing more important in terms of identifying an initial topic for research than ______.
A. a feasible timeline B. a reasonable budget C. researcher training D. an existing need