A behavior analyst is measuring the time it takes for a client to say, `You're welcome` after the staff says, `Thank you.` The behavior analyst is measuring

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Which measure would probably be the best measure for crying?

If a behavior analyst states, `It took four attempts, but Johnny completed the puzzle,` she is using which measure?

Jody had an access-maintained tantrum for 14 minutes and it started 3 seconds after she was told, `No.` It had been 2 days since the previous tantrum. The latency is:

Manipulating a students chair in a classroom setting to avoid distraction fro the window is an example of a manipulation of a