A general aptitude test correlates .45 with success in a particular college. To improve the predictive accuracy, the students are also given three other aptitude measures, all of which correlate very highly with one another and with the first test. What will be the likely effect of adding the scores from the three additional tests to the regression equation?
a. Predictive accuracy will significantly improve.
b. Only a very small improvement will occur.
c. Predictive accuracy will decrease slightly.
d. Cannot estimate from the information given.
B
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The more the child feels valued and respected by parents and teachers during early childhood, the more likely the child will be to a. require special attention and tutorial help later in middle and high school
b. develop coping skills more slowly. c. talk back to parents and teachers and argue with peers. d. follow parents' and teachers' rules and keep their values as the child grows up. e. none of these.
Answer the following statement(s) true (T) or false (F)
Memory challenges can make the retention of math facts and telling time difficult tasks.
A parent who always picks up and comforts his 2-month-old daughter will "spoil" her
Indicate whether the statement is true or false
In quantitative research, one should first become familiar with any pre-existing research literature before designing your research study.
a. True b. False