Multiple Choice
Which of the following is a valid method of determining the necessary sample size of an investigation?
A) Through the effect size, alpha, and power
B) Through the clinical significance of an investigation
C) Through conventions in his or her field of research
D) Through the use of significance tests
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Intent-to-treat data analyses is designed<br>A) To preserve
Q6: What is the goal of significance testing?<br>A)
Q7: When are multivariate analyses appropriate?<br>A) When utilizing
Q8: What is alpha?<br>A) A method of expressing
Q9: A statistically significant effect at the p
Q10: Which of the following is the most
Q11: Use of a pretest as well as
Q12: What is power?<br>A) An objection to the
Q14: How can power be augmented in an
Q15: Statistical significance, magnitude of effect, and clinical