5. Research Methods
Data Analysis Basics — Quiz
Test your understanding of data analysis basics with 5 practice questions.
Practice Questions
Question 1
Which of the following best describes the meaning of a standard error in psychological data analysis?
Question 2
A psychologist collects data on test scores and finds a 95% confidence interval for the mean is $[72, 88]$. Which of the following best interprets this interval?
Question 3
In psychological data analysis, which of the following is the most appropriate method to test whether the means of three or more groups are significantly different from each other?
Question 4
A researcher is analyzing the relationship between study time and exam scores. The regression equation is given by $Y = 50 + 2X$, where $X$ is the number of hours studied and $Y$ is the predicted exam score. What is the predicted exam score for a student who studies for 10 hours?
Question 5
Which of the following best describes the purpose of a scatter plot in psychological data analysis?