When duration or frequency is the characteristic of interest, observations are usually summarized as ...

When duration or frequency is the characteristic of interest, observations are usually summarized as __________.
 
  Fill in the blank(s) with correct word

Ques. 2

The easiest way to avoid expectations during observations is for the observer to be __________ to the purpose of the assessment.
 
  Fill in the blank(s) with correct word

Ques. 3

The accuracy of observational data should be checked periodically because changes in __________ can signal that something is wrong.
 
  Fill in the blank(s) with correct word

Ques. 4

There is a tendency for complex observational systems to be __________.
 
  Fill in the blank(s) with correct word