When an F- or t-test indicates that a difference between two means is significant at less than the .05 level, one concludes that the difference could have occurred by chance
a. more often than 1 time in 20;
b. less often than 1 time in 20;
c. more than 1 time in 5;
d. less than 5 times in 1000.
B
You might also like to view...
Explain the difference between the readability and the conceptual difficulty of a text.
What will be an ideal response?
What is the major limitation of criterion-referenced grading?
a. Deciding the cut-off levels for the criteria b. The variability in the level of difficulty across tests and assignments c. Students scores are not in reference to other students scores d. There is no limit to how many students can fall within each level
When schools face budget cutbacks or increased pressure to prepare students for high-stakes tests, often _______ teaching positions are eliminated
A. physical education B. art and music C. social science D. substitute
Children in the concrete operational stage have the understanding of space well enough to do which of the following?
a) Draw a map from home to school b) Move hands on the clock to demonstrate understanding of time c) Think about future events d) Know the earth’s distance from the sun