Multiple Choice
Which of the following statements is correct?
A) More than one Pearson correlation coefficient can be calculated from the same scatterplot.
B) Only one Pearson correlation coefficient can be calculated from one scatterplot.
C) A scatterplot will show a higher relationship than the correlation coefficient calculated from it.
D) A scatterplot will show a lower relationship than the correlation coefficient calculated from it.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: In a study comparing class size to
Q3: Gain scores can be obtained by subtracting
Q4: Scatterplots are recommended in addition to correlation
Q5: Matching<br>-Straight-line relationship<br>A) delta<br>B) Pearson r<br>C) eta.<br>D) IQ
Q6: Most researchers consider that any delta of
Q7: Matching<br>-Effect size<br>A) delta<br>B) Pearson r<br>C) eta.<br>D) IQ
Q8: If eta and r are in substantial
Q9: In a comparison group study using two
Q10: When random sampling was not used, probabilities
Q11: Confidence intervals are recommended rather than significance