PSYC 510 Research Methods and Statistics in Psychology I – Quiz - Single Sample Comparisons 2025 scored 48 out of 50 Liberty University

PSYC 510 Research Methods and Statistics in Psychology I –
Quiz - Single Sample Comparisons 2025 scored 48 out of 50
Liberty University
Score for this quiz: 48 out of 50

Question 1
pts
In order for the results of a one-sample t test to be significant, the
computed t value must be .


greater than the critical t value listed in the t table for our degrees of
freedom (df) and p value


less than the critical t value listed in the t table for our degrees of
freedom (df) and p value


equal to the critical t value listed in the t table for our degrees of
freedom (df) and p value


greater than the critical t value for the degrees of freedom (df) for our
population


Question 2
pts
Some researchers argue we have focused too much on statistical
significance, and we should instead report the .


descriptive statistics



effect size for the sample and the population



difference between the sample and the population



mean difference and confidence interval for the mean difference



Question 3

, pts
The estimated standard error of the means (SDx) is an approximation of the
standard deviation of a sampling distribution of means.


True



False



Question 4
pts
Dr. Knoital finds t(19) = 4.26, p < .01. He can infer that




. the sample scored 4.26 points above the population



the sample consisted of 20 participants



the critical t value is greater than 4.26


the scores of less than 1% of the sample matched the population value



Question 5
pts
If we want to find whether the first year class at our college has higher
scores on the SAT writing test than the national average for the test, our
directional alternative hypothesis (Ha) might state .


there will be no difference in SAT writing scores between our first year class
and the national average



there will be a difference in SAT writing scores between our first year
class and the national average