Types of Reliability
Methods of Ensuring Reliability
Assessment Bias
Accommodations
Blueprints
100
In this reliability, students should get the same score if you give the test on a Monday and the same test on a Friday
Test Retest
100
How do we prove test-retest reliability?
Collect data on one day then again on another day and plot scores, a (close to) linear pattern means its reliable
100
What is the main problem with assessment bias discussed in class?
Validity of inferences for assessment procedure are warped
100
IEP stands for
Individualized Education Plan
100
Blueprints are created by
Teachers or organizations giving an assessment
200
Which type of reliability does not focus on scores but rather the function of items in a test?
Internal Consistency
200
How do we prove alternate form reliability?
Collect data from a group of students with form A and then the same number of students for form B. Plot the scores and a close to linear pattern means its reliable
200
What type of groups can be penalized through bias?
Ethnic, gender, race, religion
200
This type of accommodation centers around ways a student can give an answer
Response Accommodations
200
How many items are on this test?
38
300
What does KR stand for?
Kuder-richardson
300
How do we prove internal consistency?
Looking at the test’s KR value (dichotomous items) or alpha (polytomous items)
300
DIF looks for a change in ______________.
pattern
300
What are the four types of accommodations?
Presentation, Response, Setting, Timing and Scheduling
300
How many possible points can a student get for short answer questions?
8
400
Which type of reliability deals with testing on different days and plotting the scores?
Test-retest reliability
400
Why do you need to look at each question and the test as a whole when ensuring reliability?
Each question might not be biased, but together they can be
400
What are right and wrong items an example of?
Dichotomous item
400
What is the goal of accommodations?
Eliminate or reduce the inference-distorting effects of a student’s disability
400
Should you make a blueprint for every test?
No you don’t have the time