1.Easy
An algorithm, in the psychology of problem solving, is:
- AA sudden flash of understanding about a problem
- BA step-by-step procedure that guarantees a solution
- CA quick rule of thumb that usually works well enough
- DA mental picture of how the problem looks
2.Easy
About how many items can a person hold in short-term memory, according to George Miller's classic estimate?
- A12 ± 3
- B3 ± 1
- C20 ± 5
- D7 ± 2
3.Easy
Repeating a phone number over and over to keep it in mind is called:
- AConsolidation
- BMaintenance rehearsal
- CChunking
- DElaborative rehearsal
4.Medium
"All mammals breathe air. Whales are mammals. Therefore whales breathe air." This is an example of:
- AAnalogical reasoning
- BInductive reasoning
- CDeductive reasoning
- DThe availability heuristic
5.Medium
Which feature is typical of an automatic process, such as reading a familiar word?
- AIt is fast and hard to stop once started
- BIt needs a lot of conscious effort
- CIt can only be done slowly, one step at a time
- DIt is easily disrupted by a second task
6.Medium
People recall more words from a list of short words (e.g. "cat, sun") than from a list of long words. The usual explanation is that:
- AShort words are held in iconic memory as well as acoustically
- BLong words cause retroactive interference with earlier items
- CLong words are processed more deeply and so crowd each other out
- DShort words take less time to rehearse in the phonological loop
7.Hard
In a city, 85% of cabs are green and 15% are blue. A witness who is correct 80% of the time says the cab in an accident was blue. What is the probability it really was blue?
- AAbout 41%
- BAbout 68%
- CAbout 15%
- DAbout 80%
8.Hard
H.M. practised mirror drawing over several days. His performance improved steadily, yet each day he said he had never done the task before. What does this show?
- AHis improvement came from rehearsal in short-term memory
- BMirror drawing depends mainly on the hippocampus
- CSkills can be learned without remembering the practice
- DH.M. was only pretending not to remember the sessions
Answer key
- 1. B · A step-by-step procedure that guarantees a solution
- 2. D · 7 ± 2
- 3. B · Maintenance rehearsal
- 4. C · Deductive reasoning
- 5. A · It is fast and hard to stop once started
- 6. D · Short words take less time to rehearse in the phonological loop
- 7. A · About 41%
- 8. C · Skills can be learned without remembering the practice
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