Which Is a DISADVANTAGE of Group Intelligence Tests

Multiple Choice

Which is a DISADVANTAGE of group intelligence tests?

A) The lessened role of the examiner may mean that the examiner has less effect on the examinee's score.
B) The examiner has less opportunity to gather behavioral observations of examinees during testing.
C) Examinees may become bored or distracted as there tends to be less examiner interaction during test administration.
D) All other things equal, the reliability of group intelligence tests tends to be significantly less than the reliability of individually-administered tests.