3-!Accuracy, enter observer agreement, reliability

Question 1

Assesses whether or not the measured value matches the true value?

Answer 1

Accuracy

Question 2

Assesses the consistency of measurement

Answer 2

Reliability

Question 3

Agreement between or among observers

Assess reliability (Consistency) Of measurement

Acceptable is 80% and above

Answer 3

Inter observer agreement

Question 4

For a continuous response measures
-Total count, duration, etc.

For discontinuous response measures
Partial interval, whole interval etc.

Answer 4

Types of IOA

Question 5

1. Divide the smaller number by the larger number
2. Multiplied by 100

Smaller/larger x 100

Also works with duration, latency and I RT
- You will need to: Shorter time/longer time x 100

Answer 5

Calculating IOA – continuous response measures

Total count, duration,IRT, latency

Question 6

1. Count the number of agreements
   Ex. 7
2. Count the number of disagreements
   Ex. 3
3. Add the number of disagreements to agreements
   = 10
4. Complete the following equation:
   IOA = agreements/(disagreements + agreements) X 100
   IOA = 7/(10) X 100
   IOA = 70%

Answer 6

Calculating IOA - Percent Agreement Interval by Interval

Question 7

ASR

Interobserver A: 25 seconds of crying

Inter-observer B: 75 seconds of crying

Calculate the IOA

a. 23%

B. 33%

C. 50%

D. 67%

Answer 7

B. 33%. (25/ 75X 100)

Duration . Divide the smaller quantity by the larger quantity times 100