True or false: If two tasks use different sensory modalities, they are guaranteed not to interfere with each other.
3 Divided Attention Online Quiz Questions
Use this free practice quiz with 20 questions to review 3 Divided Attention, test your knowledge, and prepare for your next test or exam.
A person adds a difficult mental task to a second task they are already performing. Which outcome is most consistent with the effects of task difficulty on divided attention?
- A
The second task will always become faster because the first task is demanding.
- B
The demanding task may leave less capacity available for the other task.
- C
The two tasks cannot interfere unless they use the same sensory modality.
- D
The tasks will no longer count as dual-task performance.
What term describes a change in which well-practiced task components require less deliberate control?
In the psychological refractory period paradigm, when two signals arrive closer together, the second response is usually .
A person answers mental arithmetic questions while walking, with both tasks occurring at the same time. Which description best fits this situation?
- A
It is necessarily single-task performance because the person can focus on only one task at a time.
- B
It is dual-task performance because the two tasks overlap in time.
- C
It is rapid task switching, since tasks that overlap cannot be studied together.
- D
It is automaticity, because walking and mental arithmetic are both familiar activities.
If a person maintains their usual walking speed while answering mental arithmetic questions, a dual-task cost could appear as more calculation .
Select all processing stages identified as possible sources of dual-task interference.
- A
Competition during perceptual processing
- B
Competition at a central processing stage
- C
Competition during response execution
- D
The physical distance between the tasks
- E
The fact that a person notices both tasks
Select all conditions that can tend to increase interference between two tasks.
- A
Both tasks demand the same processing operation at nearly the same time.
- B
One of the tasks becomes more demanding and leaves less capacity for the other.
- C
The tasks use different sensory modalities, which guarantees that they cannot interfere.
- D
The person has practiced one task, which eliminates every possible dual-task cost.
- E
The tasks rely on similar perceptual, decision, memory, or response processes.
A participant makes more errors on a task when doing it alongside another task than when doing it alone. What term names the change in performance between those conditions?
True or false: Improvement on one practiced pair of tasks shows that people can perform any pair of tasks simultaneously without a cost.
- A
True
- B
False
A person is instructed to emphasize one task while performing two tasks together. Which outcome is plausible?
- A
Both tasks must improve equally because attention is shared.
- B
The lower-priority task cannot be affected if the person follows instructions.
- C
The emphasized task may be protected while performance on the other task worsens.
- D
The instruction guarantees that the tasks no longer compete.
A researcher wants to detect a possible trade-off between two tasks when a participant prioritizes one of them. Which approach best assesses dual-task costs?
- A
Measure only the task that the participant considers most important during the paired condition.
- B
Compare each task performed alone with its performance when paired, and assess both tasks in both conditions.
- C
Measure both tasks only during the paired condition, since single-task baselines are unnecessary.
- D
Compare the two tasks with each other during the paired condition without measuring either one alone.
Someone becomes better at performing one particular pair of tasks after practicing them together. Explain why this improvement does not demonstrate that people can perform all task combinations simultaneously without cost.
A person alternates rapidly between answering messages and writing a report. Which description best captures what may be happening?
- A
The tasks necessarily overlap, so attention processes both at once.
- B
Attention disengages from one task and re-engages with the other.
- C
One task stops requiring any attention once the other begins.
- D
The tasks use separate sensory modalities, so they cannot interfere.
A researcher compares how quickly someone responds to a signal alone and while also performing a second task. What does the difference in response speed measure?
- A
The amount of time spent practicing a task pair
- B
The priority assigned to one task over another
- C
The change in performance from doing a task alone to doing it alongside another task
- D
The difference between two tasks that use separate sensory modalities
A driver maintains steering accuracy while giving less accurate spoken directions when a navigation task is added. To assess the dual-task effects without missing a trade-off, what should a researcher measure?
- A
Measure both tasks alone and again during dual-task performance.
- B
Measure only the task the participant considers most important.
- C
Measure only the task that uses the less familiar response.
- D
Measure the preferred task during dual-tasking and the other task alone.
In a speeded-response study, two signals each require a response. What result is commonly expected when the interval between the signals is shortened?
- A
The first response becomes faster as the signals arrive closer together.
- B
The second response is unaffected by the interval between signals.
- C
Both responses are delayed equally, regardless of when the signals arrive.
- D
The second response is usually delayed more when the signals arrive closer together.
If two tasks use different sensory modalities, they are guaranteed not to interfere with each other.
- A
True
- B
False
What term describes a task component that, after practice, requires less deliberate control?
A person arranges components of two tasks so that the components are carried out one after another. What task-coordination method are they using?
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