The phrase "control questions" is correct and can be used in written English.
It refers to questions that are used to assess the effectiveness of a study or experiment by comparing the responses to those of the experimental group with a control group. Example sentence: The researchers included control questions in their survey to ensure the validity of their findings.
POLYGRAPH Polygraphers use what is called the Control Question Test, which mixes questions about a crime with control questions.
A lot of the details we are asking for are control questions.
The designed comprehensive VDT workplace checklist contains 24 areas with 140 control questions.
Innocent people may be more aroused by the relevant questions than the control questions for a variety reasons.
After a few control questions, you grill your willing test subject and are given the potentially damning verdict.
With the Computer Voice Stress Analyzer, for example, subjects are asked several control questions, like the color of the walls, to gauge normal vocal response levels.
There are two types of questions asked during the test: questions related to the matter being investigated and control questions that refer to events in the person's past.
Polygraph experts believe that a person accused of stealing will be more disturbed by the control questions if he is innocent and less disturbed by them if guilty.
Examiners compare the responses to "control" questions -on everyday subjects such as what car you drive or what you had for breakfast - with the response to a "relevant" question about the case in question.
A3 U.S. Rebuffed on Korea Talks North Korea, in its first official reaction to American proposals for resuming talks, dismissed a Bush administration request that the issue of conventional forces be included with nuclear and ballistic missile control questions.
"A person who wants to appear not to be lying can show a greater response to the control questions than to the relevant ones to which they actually lie," he said.
