MSc Advanced Psychology Exam Bank –
Multivariate Statistics Neuropsychology and
Clinical Diagnostics Questions 1 to 20
Question 1
A researcher conducts a 2x3 ANOVA. The main effect for Factor A is significant but the
interaction is not. What does this imply.
Step 1 A significant main effect means Factor A influences the outcome
Step 2 The effect is averaged across levels of Factor B
Step 3 A non significant interaction means effects are consistent
Step 4 Graphically lines would be parallel
Step 5 Factor A operates independently of Factor B
Question 2
In Exploratory Factor Analysis what is the difference between orthogonal and oblique
rotation.
Step 1 Rotation clarifies factor structure
Step 2 Orthogonal rotation forces factors to be uncorrelated
Step 3 Oblique rotation allows factor correlation
Step 4 Psychological traits are rarely independent
Step 5 Oblique rotation is often preferred in psychology
Question 3
Explain multicollinearity in multiple regression and why it is problematic.
Step 1 Predictors are highly correlated
Step 2 Predictors measure overlapping constructs
Step 3 Individual predictor effects become unclear
Step 4 Standard errors increase
Step 5 Solutions include removing or combining variables
Question 4
Differentiate between a mediator and a moderator variable.
Step 1 A mediator explains how a relationship occurs
Step 2 Mediator sits between predictor and outcome
Step 3 A moderator changes strength or direction
Step 4 Moderator represents conditional effects
Step 5 Mediation explains process moderation explains context
Question 5
What is the purpose of Mauchlys test of sphericity.
Step 1 Tests equality of variances of differences
Step 2 Applies to repeated measures designs
Step 3 Non significant result supports assumption
Step 4 Violation inflates Type I error
Step 5 Corrections adjust degrees of freedom
Multivariate Statistics Neuropsychology and
Clinical Diagnostics Questions 1 to 20
Question 1
A researcher conducts a 2x3 ANOVA. The main effect for Factor A is significant but the
interaction is not. What does this imply.
Step 1 A significant main effect means Factor A influences the outcome
Step 2 The effect is averaged across levels of Factor B
Step 3 A non significant interaction means effects are consistent
Step 4 Graphically lines would be parallel
Step 5 Factor A operates independently of Factor B
Question 2
In Exploratory Factor Analysis what is the difference between orthogonal and oblique
rotation.
Step 1 Rotation clarifies factor structure
Step 2 Orthogonal rotation forces factors to be uncorrelated
Step 3 Oblique rotation allows factor correlation
Step 4 Psychological traits are rarely independent
Step 5 Oblique rotation is often preferred in psychology
Question 3
Explain multicollinearity in multiple regression and why it is problematic.
Step 1 Predictors are highly correlated
Step 2 Predictors measure overlapping constructs
Step 3 Individual predictor effects become unclear
Step 4 Standard errors increase
Step 5 Solutions include removing or combining variables
Question 4
Differentiate between a mediator and a moderator variable.
Step 1 A mediator explains how a relationship occurs
Step 2 Mediator sits between predictor and outcome
Step 3 A moderator changes strength or direction
Step 4 Moderator represents conditional effects
Step 5 Mediation explains process moderation explains context
Question 5
What is the purpose of Mauchlys test of sphericity.
Step 1 Tests equality of variances of differences
Step 2 Applies to repeated measures designs
Step 3 Non significant result supports assumption
Step 4 Violation inflates Type I error
Step 5 Corrections adjust degrees of freedom
