Sample Questions: Exam One

Define each of the following concepts. Use each of them in an example.

• within subject factor
• confound
• counterbalance
• level of IV
• selection
• assignment
• dependent variable
• matching
• external validity
• population
• sample
• Absolute threshold
• JND
• Interval of uncertainty
• Method of limits
• Method of adjustment
• Method of constant stimuli

Compare and contrast between-subjects designs and within-subjects designs. What are the advantages and disadvantages of each type.

Explain the concept of internal validity. Why is internal validity crucial for the conduct and interpretation of an experiment.

Describe the components of an APA style research report.

Describe the four scales of measurement. Include examples of each scale.

What is reliability? Describe two methods to assess the reliability of your DV.

What is a monocular cue for depth? Describe 5 such cues.

What is meant by a perceptual constancy? Describe three such constancies

Describe the Gestalt Principles of Organization.