C03 Measure Occurrence- Frequency & Rate Part 1

Question 1

During a 1 minute observation, the first instance of SIB occurred 2 seconds after the staff request. The second instance occurred 3 seconds after a request and the third instance occurred 1 second after the request. Each instance of SIB lasted 5 seconds. What was the frequency of SIB?

Answer 1

3 instances

Question 2

During a 1 minute observation, the first instance of SIB occurred 2 seconds after the staff request. The second instance occurred 4 seconds after a request and the third instance occurred 3 second after the request, and the fourth instance occurred 1 second after the request. Each instance of SIB lasted 1 second. What was the frequency of SIB?

Answer 2

4 instances

Question 3

Frequency measures are most appropriate when

Answer 3

The rate makes it possible to count each response

Question 4

During a 1 minute observation, the first instance of SIB occurred 2 seconds after the staff request. There were no additional instances after a second, third, and fourth staff request. Each instance of SIB lasted 5 second. What was the rate of SIB?

Answer 4

1 per minute

Question 5

“The student read 30 words during reading yesterday and 35 words during reading today”, is a measure of

Answer 5

Frequency

Question 6

Daily playtime ranges from 30 to 60 minutes. A suitable measure for appropriate interactions might be

Answer 6

Rate

Question 7

During a 2 minute observation, the first instance of SIB occurred 2 seconds after the staff request. The second instance occurrence 4 seconds after a request. Each instance of SIB last 1 second. What was the frequency of SIB?

Answer 7

2 instances

Question 8

During a 10 minute observation, the first instance of SIB occurred 2 seconds after the staff request. There were no additional instances after a second, third, and fourth staff request. The instance of SIB lasted 5 seconds. What was the rate of SIB?

Answer 8

.1 per minute

Question 9

During a 10 minute observation, the first instance of SIB occurred 2 seconds after the staff request and the second instance occurred 3 seconds after a second staff request. There were no additional instances after a third and fourth staff request. Each instance of SIB lasted 5 seconds. What was the rate of SIB?

Answer 9

.2 per minute

Question 10

Rate measures

Answer 10

Should not be used with discrete trial data, because discrete trial behaviors are controlled by a given opportunity to respond.

Question 11

Frequency measures are most appropriate when

Answer 11

All the above:
The rate makes it possible to count each response.
Responses do not vary significantly in duration.
Responses have a discrete beginning and end.

Question 12

Rate should be used for measures of

Answer 12

Proficiency

Question 13

Frequency measures are most appropriate when

Answer 13

Responses have a discrete beginning and end

Question 14

“The student reads 30 words a minute”, is a measure of

Answer 14

Rate

Question 15

Frequency measures are most appropriate when

Answer 15

The rate makes it possible to count each response

Question 16

During a 2 minute observation, the first instance of SIB occurred 2 seconds after the staff request. The second instance occurred 3 seconds after a request, the third instance occurred 1 second after the request, and the fourth instance occurred 2 seconds after the staff request. Each instance of SIB lasted 5 seconds. What was the rate of SIB?

Answer 16

2 per minute

Question 17

During a 1 minute observation, the first instance of SIB occurred 2 seconds after the staff request. The second instance occurred 3 seconds after a request, the third instance occurred 1 second after the request, and the fourth instance occurred 2 seconds after the staff request. Each instance of SIB lasted 5 seconds. What was the rate of SIB?

Answer 17

4 per minute

Question 18

Use frequency only when

Answer 18

Observation length and opportunities to respond remain constant

Question 19

Sometimes rate and frequency are differentiated. Rate always refers to the

Answer 19

Number of occurrences divided by time.