SUNY UB

GRAD 2, Test and Measurements

Culture

• Point of view due to cultural background

Dana 2005 Worldview involves group identity, individual identity. beliefs, values, and language what I sl earned and how

• Belief system value orientation including customs, norms practices and social institutions

Etic

Preception is 

Universal

Emic

Perception is culture based

Types of Instrumental Bias

Content Bias 

Content Bias 

Issues with language proficiency age of immigration, time spent in USA ethic Identity Extent of Acculturation

Often not considered in planning assessments

Statistical Method for finding bias

Differential Item Function DIF 

Reviews individual questions, not the entire test.

Proper Definations

a statistical characteristic of an item that shows the extent to which the item might be measuring different abilities for members of separate subgroups.

Internal Structure

For individual groups such as male and female ethnic groups based on Reliability Coefficient

*a reminder of what RC is  

a measure of the accuracy of a test or measuring instrument obtained by measuring the same individuals twice and computing the correlation of the two sets of measures.