Measuring Dimensions

Question 0

Give definition and formula for calculating frequency

Answer 0

Number of times behaviour occurred. Converted into %

Number of behaviours) x 100%
(Number of opportunities

Question 1

What are the 4 dimensions of behaviour that can be measured?

Answer 1

Rate/Frequency
Duration
Latency
Intensity

Question 2

Give definition and formula for calculating rate

Answer 2

Number of times behaviour occurred during given period e.g.
Rate/min

Number of behaviours = rate/min
Number of observations

Question 3

Give definition and formula for calculating duration

Answer 3

How long behaviour lasts. Calculate %

   Duration             x100% Observation period

Question 4

Give definition of latency

Answer 4

How long it takes for behaviour to start

Question 5

When is using latency as a measure useful?

Answer 5

When reinforcing the effectiveness of activities

Question 6

If behaviours have a clear onset and offset you can usually get a precise measure of them using (dimensions)

Answer 6

Duration, frequency, latency

Question 7

When it is difficult to get precise measurements of behaviour (due to a very high occurrence or no clear onset), ____ ____ should be used

Answer 7

Time sampling

Question 8

The first step in time sampling is to

Answer 8

Divide your observation period into intervals

Question 9

Once observation period has been divided into intervals,

Answer 9

You mark whether that behaviour occurred in each interval

Question 10

What is the calculation for time sampling? What is the data then presented as?

Answer 10

Number of intervals marked x 100%
Number of intervals in total

Presented as percentage of intervals

Question 11

Name and define the 3 types of time sampling

Answer 11

1 whole interval - interval is marked if behaviour occurred throughout the entire interval
2 partial interval - interval marked if behaviour occurred at any point
3 momentary - behaviour marked if it occurs at end of interval (usually)

Question 12

When should you use whole interval recording?

Answer 12

When goal is to increase behaviour

Question 13

When should you use partial interval recording?

Answer 13

When goal is to decrease behaviour

Question 14

When should you use momentary time sampling?

Answer 14

When continuous observation throughout the observation is not feasible.

Question 15

Determining whether behaviour has occurred by measuring the outcome of behaviour is known as

Answer 15

Permanent product recoding

Question 16

When should permanent product recording be used?

Answer 16

When observation is not possible and the behaviour has a visible, permanent outcome

Question 17

What does real time recording refer to?

Answer 17

Recording the exact time of each onset/offset of behaviour, so frequency and duration are recorded at the same time

Question 18

When is rate used instead of frequency?

Answer 18

When the duration of observation periods are of varying length

Question 19

What there variables must be considered when using momentary time sampling?

Answer 19

1) How often a sample is taken
2) Scheduling of samples (fixed or random)
3) Length of sample (moment or few seconds)