Psychology 100 Quiz
Questions: 16 · 10 minutes
1. A class finds a correlation of r = -0.70 between weekly practice time and the number of errors on a task. What does this value indicate?
More practice is associated with fewer errors, with a relatively strong linear relationship
More practice is associated with more errors
Practice directly causes errors to decrease by 70 percent
Practice time has no meaningful association with errors
2. After changing a password, Priya repeatedly types her old password by mistake. This is an example of:
Retroactive interference
State-dependent memory
Proactive interference
The spacing effect
3. An infant watches a toy being covered with a cloth and then reaches under the cloth to find it. This behavior most directly demonstrates:
Conservation
Egocentrism
Abstract reasoning
Object permanence
4. Researchers are comparing two study techniques. Which procedure most directly helps make the groups similar before the techniques are introduced?
Allowing participants to select the technique they prefer
Recruiting participants from several different schools
Randomly assigning participants to the two techniques
Giving both groups the same test after studying
5. A driver fastens a seat belt to stop the car's persistent warning sound. The increased likelihood of fastening the belt in the future illustrates:
Negative punishment
Positive punishment
Negative reinforcement
Extinction
6. A study finds that teenagers who report more nightly sleep also tend to earn higher grades. What can be concluded from this correlation alone?
Increasing every teenager's sleep will necessarily raise grades
Higher grades cause teenagers to sleep longer
Sleep and grades are associated, but the study alone does not establish causation
The association must be explained by intelligence
7. Which trait is included in the Big Five model of personality?
Self-actualization
Psychoticism
Locus of control
Conscientiousness
8. A slot machine pays off after an unpredictable number of plays. Which reinforcement schedule does this most closely represent?
Fixed interval
Variable ratio
Variable interval
Fixed ratio
9. Which part of a neuron typically receives incoming signals from other neurons?
Axon terminal
Dendrite
Axon
Myelin sheath
10. While solving a calculation mentally, Jordan briefly holds one number in mind while manipulating another. Which memory system is most directly involved?
Sensory memory
Implicit memory
Episodic memory
Working memory
11. A dog naturally salivates when food appears. After a tone is repeatedly paired with food, the dog salivates to the tone alone. After conditioning, the tone is the:
Unconditioned stimulus
Conditioned stimulus
Unconditioned response
Conditioned response
12. Several commuters witness someone fall on a crowded platform, but each assumes another person will help. Which concept best fits this situation?
The bystander effect
Social loafing
Obedience
The foot-in-the-door effect
13. During a group task, Elena privately thinks the group's answer is wrong but publicly agrees because every other member gives the same answer. Her response is an example of:
Deindividuation
Social facilitation
Group polarization
Conformity
14. On entering a bakery, Maya immediately notices the strong smell of bread. After several minutes, she barely notices it even though the smell remains. This is best explained by:
Sensory adaptation
Selective recall
Classical conditioning
Perceptual constancy
15. A researcher wants to study test anxiety. Which choice is the clearest operational definition of test anxiety?
A student's score on a specified anxiety questionnaire completed immediately before an exam
The uneasy feeling that some students experience around evaluation
A general tendency to worry in academic settings
The belief that exams cause more stress than assignments
16. Lee sees a stranger arrive late and concludes that the person is irresponsible, without considering that the bus may have broken down. This judgment best illustrates:
Cognitive dissonance
The fundamental attribution error
The mere-exposure effect
Self-serving bias