Dr. Dell's study demonstrated a statistical significance of p < .20. He seemed somewhat disappointed with these results. Which of the following conclusions could be drawn concerning Dr. Dell's study?
A) The results were probably based on a skewed sample and bias was evident.
B) The sample size in his population was probably large and he thus expected the results to be statistically significant.
C) The statistical significance is arbitrary and researchers need not pay attention to these numbers.
D) As long as the positive correlation was close to +1.0 he should not be concerned about the statistical significance.
Correct Answer:
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