The split-half coefficient for a test was found to be .70 . What is the score reliability of the full-length test?
What will be an ideal response?
.82
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How could a researcher interpret an r2 value of .35?
a. .35% of the variance in one variable is explained by another variable. b. 3.5% of the variance in one variable is explained by another variable. c. 35% of the variance in one variable is explained by another variable. d. 65% of the variance in one variable is explained by another variable.
Ms. Jones is explaining to her principal why she needs to have blocks included in her equipment budget for the coming year. She tells him that using blocks encourages children to understand principles of physics such as balance and gravity, understand Piagetian concepts of conservation and transitivity, and use comparisons to determine same or different. In short, she is saying that using blocks
can develop the: a. cognitive self. b. creative self. c. physical self. d. social self.
Which of the following statements concerning community influence is true?
A) Learning from a collection of recyclables is minimal. B) Social agencies are not able to reach all families in a community. C) Commercial enterprises are only concerned with educating adults. D) Children's use of the community can depend on how safe the neighborhood is.
When analyzing data obtained in duration recordings, one could
A. calculate a mode and percentile. B. calculate average length of the behavior. C. determine total number of tallies. D. all of the above.