Reliability Coefficient – Chemistry Hw
The key terms of Chemistry Homework include, Reliability Coefficient.
acceptable reliability coefficient
.92
lowest acceptable reliability coefficient for universal screening
.80
Jamies Scores and an example with validity
true
If school district is 100% caucasian, selecting texts whose sample was based on caucasian majority would be acceptable
true
What scale of measurement for ranking students highest to lowest reading fluency
ordinal
If student earns an AE of 10-4, we can say that their math performance level is like a student who is 10 years and 4 month old.
False, they answered as many correct as a 10-4 month old (not perform like)
Median
85
A students score on an assessment today is their true score
False
Informal Assessments and typically not standardized
True
True score of 95th percentile confidence interval for a student who score a 45 with a SEM of 2
41-49
If given a choice, speducators should report grade equivalent over age equivalent
True (not sure)
The smaller the SEM, the more accurate the scores
True
Raw scores are used to make comparisons between students
False (not sure)
Calculate Mean:
70, 75, 85, 85, 95, 100
85
What scale would i use to assign scores to a composition exercise
A normative sample must be based on national data
true
Which graph shows more variance?
Set A
Mode
85
acceptable reliability coefficient
.92
lowest acceptable reliability coefficient for universal screening
.80
Jamies Scores and an example with validity
true
If school district is 100% caucasian, selecting texts whose sample was based on caucasian majority would be acceptable
true
What scale of measurement for ranking students highest to lowest reading fluency
ordinal
If student earns an AE of 10-4, we can say that their math performance level is like a student who is 10 years and 4 month old.
False, they answered as many correct as a 10-4 month old (not perform like)
Median
85
A students score on an assessment today is their true score
False
Informal Assessments and typically not standardized
True
True score of 95th percentile confidence interval for a student who score a 45 with a SEM of 2
41-49
If given a choice, speducators should report grade equivalent over age equivalent
True (not sure)
The smaller the SEM, the more accurate the scores
True
Raw scores are used to make comparisons between students
False (not sure)
Calculate Mean:
70, 75, 85, 85, 95, 100
85
What scale would i use to assign scores to a composition exercise
Ratio
A normative sample must be based on national data
true
Which graph shows more variance?
Set A
Mode
85