D vs. R
Any difference between men and women.
D
What is another name for "relationship strength?"
Effect Size
A measure of extroversion looks like a measure of extroversion.
Face Validity
The sample is large and the difference between the groups is large. Is this statistically significant?
Yes
What is the name for a psychological measure where people report on their own thoughts, feelings, and behaviors?
Self-Report Measure
The relationship between impostor phenomenon and self-esteem.
R
How strong / large is a d of 1?
Strong / Large
A measure of text anxiety has items about its two main components: nervous feelings and negative thoughts.
Content Validity
Pearson's r = .03, N = 15. Is this statistically significant?
No
What is this style of citation called?
"Wilson (2024) found just the opposite?"
Narrative (as opposed to parenthetical)
The correlation between age and sleep quality.
R
How big is the difference?
- Psych Majors: M = 20, SD = 10, N = 45
- Chem Majors: M = 15, SD = 10, N = 62
d = 0.50 / Strong
Students' scores on the CIPS at the beginning of the semester were strongly correlated with their scores at the end of the semester.
Test-Retest Reliability
Pearson's r is .47 with a sample of 119. Do you reject the null hypothesis?
Yes
If you decide that your result is statistically significant, what type of error could you be making?
The difference between a treatment group and a control group.
D
Two group means are the same. What is Cohen's d?
0
Students' scores on a self-report measure of procrastination are positively correlated with the number of late assignments they turned in during the semester.
Criterion Validity
p = .321. Is this statistically significant?
No
What is a simple thing that a researcher can do to avoid making Type II errors?
Hae a large sample.