Relationship Between Reaction Time and Length of Stimulus Exposure

Relationship Between Reaction Time and Length of Stimulus Exposure
Relationship Between Reaction Time and Length of Stimulus Exposure
111. How do Experiments 2 and 3 differ?
(A) Experiments 2 and 3 used different stimuli to test response times.
(B) The length of exposure to the stimulus was greater in Experiment 2.
(C) Experiment 3 included more trials than Experiment 2.
(D) In Experiment 3, the type of stimulus was alternated with each trial.
112. Why did the student change the stimulus length from Experiment 1 to
Experiment 2?
(A) It was a control variable, and he changed it to ensure consistency
between different experiments.
(B) It was an independent variable, and he changed it to assess its impact.
(C) It is a confounding variable, and he changed it to ensure identical
(D) It is a dependent variable, and the change was made to monitor
different conditions.
Relationship Between Reaction Time and Length of Stimulus Exposure
113. A stimulus duration of 400 ms was used during which experiment(s)?
(A) Experiments 2 and 3 only
(B) Experiment 1 only
(C) Experiments 1 and 2 only
(D) Experiments 1, 2, and 3
114. The fastest reaction time occurred in response to:
(A) an auditory stimulus lasting 200 ms.
(B) an auditory stimulus lasting 400 ms.
(C) a visual stimulus lasting 400 ms.
(D) a visual stimulus lasting 200 ms.
115. Based on the data in Table 3.6, what is the relationship between reaction
time and length of stimulus exposure?
(A) Lengthening the stimulus improves reaction time.
(B) A shorter stimulus produces the fastest reaction time.
(C) Stimulus length has no measurable effect on reaction time.
(D) A longer stimulus produces the slowest reaction time.
116. Scientists have found that it takes 20–40 ms for a visual signal to reach the
brain. Based on the data in Experiments 2 and 3, how long can an
auditory signal be expected to take to reach the brain?
(A) 25–45 ms
(B) 50–55 ms
(C) 8–10 ms
(D) 20–40 ms
117. Scientists have found that a specific response time range exists for each
particular sense. Which of the following would be the range for auditory
(A) 140–160 ms
(B) 180–200 ms
(C) 150–170 ms
(D) 125–145 ms
Relationship Between Reaction Time and Length of Stimulus Exposure
118. How many total responses were recorded during Experiment 2?
(A) 10
(B) 6
(C) 60
(D) 30
56 › McGraw Hill 500 ACT Science Questions
Test 3 ‹ 57
119. Which graph best represents the data collected during Experiment 3?
Reaction time
Visual Auditory
Figure 3.4
Visual Auditory
Reaction time
Figure 3.5
Visual Auditory
Reaction time
Figure 3.6
Visual Auditory
Reaction time
Figure 3.7
120. The student wants to test how varying the length of exposure to a visual
stimulus affects response time. The best way to do this is to repeat:
(A) all three experiments using visual stimuli only.
(B) Experiment 1, replacing the tone with an image.
(C) Experiment 3, using a visual stimulus only.
(D) Experiment 2, using a stimulus duration of 200 ms.
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