alleryStart learning →Additional variables that can cloud a study are called:
AExplanatory variables
BTreatment variables
CLurking variables
DResponse variables
Answer & Solution
Correct answer: C. Lurking variables
1. A study can appear to show a link that is really caused by something else.
2. Additional variables that can cloud a study are called lurking variables.
3. Random assignment of experimental units to treatment groups is what guards against them.
4. Explanatory and response variables are the two the experiment is actually about.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 1 'Sampling and Data', sections 1.1-1.4_
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