BAPSY Bachelor of Arts in Psychology Psychological Research and Statistics Questions and Answers Flashcards
6 cards from real BAPSY practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 BAPSY Bachelor of Arts in Psychology Psychological Research and Statistics Questions and Answers flashcards as text
A researcher finds a correlation of r = -0.85 between stress levels and sleep quality. What does this indicate?
Answer: A strong negative relationship between stress and sleep quality
An r value of -0.85 indicates a strong negative correlation, meaning as stress increases, sleep quality tends to decrease.
Which measure of central tendency is most appropriate for a data set with extreme outliers?
Answer: Median
The median is resistant to outliers because it represents the middle value and is not pulled by extreme scores.
In a 2x3 factorial design, how many conditions are there in total?
Answer: 6
A 2x3 factorial design has 2 × 3 = 6 total conditions representing all combinations of both independent variables.
What is the primary purpose of counterbalancing in a within-subjects design?
Answer: To control for order effects
Counterbalancing distributes order effects evenly across conditions so that sequence does not systematically bias results.
A Type II error occurs when a researcher:
Answer: Fails to reject a false null hypothesis
A Type II error (false negative) happens when the researcher fails to detect a real effect and incorrectly retains the null hypothesis.
Which sampling method gives every member of the population an equal chance of being selected?
Answer: Simple random sampling
Simple random sampling ensures each individual has an equal probability of selection, maximizing representativeness.