Explain the difference between a positive correlation and a negative correlation.
What will be an ideal response?
Ans: A positive correlation results when two variables tend to move in the same direction together, whereas a negative correlation results when two variables tend to move in opposite directions.
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The focus of the behavioral approach is:
a. observing and predicting b. facilitating behavior change c. recording and verifying aberrant behaviors d. all of the above
Causal-comparative research establishes cause and effect.
Answer the following statement true (T) or false (F)
Which statement about the relationship of reliability to validity is CORRECT?
a. Reliability is always higher than validity b. Reliability must equal validity for a test to be valid c. Low reliability limits the magnitude of validity d. Validity is always higher than reliability
The formative test determines
a. the placement of students at appropriate levels b. the type of grade that will be assigned at the end of the course c. whether students have mastered the learning objectives of a unit d. whether students have necessary prerequisite skills