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Exam BCBA topic 1 question 14 discussion

Actual exam question from BACB's BCBA
Question #: 14
Topic #: 1
[All BCBA Questions]

An experimenter examines the level of noise in a school bus full of children under the following conditions: baseline, rock music, baseline, classical music. In this experiment, the dependent variable is:

  • A. Time
  • B. The number of children on the bus
  • C. The level of noise
  • D. The type of music
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Suggested Answer: A 🗳️
by Jkamen at Feb. 10, 2020, 1:08 a.m.

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ShariJ
Highly Voted 3 years, 2 months ago
The independent variables would be duration of music, and the type of music. Since what is being altered by these independent variables is the "level of noise," "Time" can not be the dependent variable. Unless "Level of Noise" means "Time"
upvoted 6 times
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NulCandle
Highly Voted 2 years, 8 months ago
the dependent variable should be the "level of noise" since it is the variable that the researcher wants to measure
upvoted 5 times
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[Removed]
Most Recent 4 months, 3 weeks ago
time is not a behavior. The DV is always a behavior. This answer is wrong
upvoted 1 times
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Dakota_V
11 months, 3 weeks ago
Selected Answer: C
This is the DV because it is what the researcher is attempting to measure.
upvoted 1 times
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Law1
1 year, 6 months ago
The correct answer should be “ Level of Noise”
upvoted 1 times
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C (25%)
B (20%)
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