psy 407 cultural bias
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PsychologyTRANSCRIPT
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Cultural and Testing Bias
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Cultural Bias in Psychology
Psychology is predominantly a white, Euro-American enterprise64% of psychological researchers from US In some texts, >90% of studies have US PPsSamples predominantly white middle class
But psychology purports to tell us about ‘human nature’ – can this really be true?
www.
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org.
uk
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Essential Questions
Is there test bias against minorities in standardized testing?
How do you identify test bias against minorities ? What are the effects of test bias against
minorities ? How do you change bias
against minorities in standardized testing?
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Three Undesirable Characteristics in Testing:
1. Stereotyping is consistent representation of a given group in a particular light – which may be offensive to members of that group.
Stereotyping does not lead to differential performance, except in extreme cases.
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2. Bias is defined as the presence of some characteristic of an item that results in differential performance for two individuals of the same ability but from different ethnic, sex, cultural or religious groups.
3. Offensiveness can obstruct the purpose of a test item, may produce negative feelings and affect attitudes toward testing – thus lowering test scores.
Hambleton & Rogers
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History of Testing Bias:
In the early 1900’s IQ testing results were used as a basis to sterilize those with marginal test results.
Test results were also used in the 1920’s to rank racial and ethnic groups and rig immigration quotas.
From the results of verbally based testing, deaf children
were thought incapable of mental processing and institutionalized through 1967.
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Women were discriminated against on scholarship competitions based on biased exam scores.
IQ test results were used to label individuals: moron, idiot, imbecile.
School districts use tests to track and place students in grades K-12 – which perpetuates segregation in the classroom.
Teaching to the test has damaging effects on curriculum and instruction, particularly minorities and low income children. Zappardino, 1995
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The use of standardized testing has produced a decrease in the number of African American educators.
Researchers have used IQ tests to link genetic predisposition to criminality.
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Test Bias Reform
Began in the 1970’s and early 1980’s when test publishers incorporated controls for bias after testing results showed massive gaps between racial groups, social strata and regions of the country.
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Six groups focused on during bias review: Asian/Pacific Islanders Black Americans Hispanic Americans Individuals with Disabilities Native Americans Women
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When you think of test bias, think of content validity.
Castenell &Castenell, 1998
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“Content validity is the extent to which a test measures only what it says it measures.”“Is it really an IQ
test of a test of
European
Experiences?”
Castenell &Castenell, 1998
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Types of Bias:
Gender Bias
Cultural Bias
Regional Bias
Ethnic/Racial Bias
Language Bias
Socio Economic Status (SES) Bias
Special Needs Bias
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Gender bias
Gender bias exists when males or females are depicted in
a stereotypical manner. When males and females with the
same skills and knowledge obtain different scores on a test.1
Axman, 1990
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Cultural Bias
A test is culturally biased when it makes assumptions about what is “common knowledge.1”
Examples: cultural norms and conventions, literary knowledge, conventions of language2 etc.
1. McGinley, S. (2002). 2. Del Rosario B. (1998)
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Regional Bias
A test has regional bias when people are penalized because of the use of regional names or dialects.
Examples: sundrop, pop, bubbler, pies for pizzas (pizza pie) in NY, etc.
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Biases due to testing “new populations” Sometimes need arises for testing with “new”
population Ex. inmates, children, individuals with disabilities,
elderly, medically ill populations Assume that reliability/validity tests did not include
these populations. Any test findings involving the new groups are not
valid because they were not involved in earlier “norming” of the test.
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Reliability/validity/normative data only useful for population represented by normative sample
Any tests of mentally ill, inmates, etc. must have involved these groups in the norming sample
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What is the appropriate population? Assume a test was “normed” with
people from Fiji. Should it be used for all people from Fiji? Are there variations among Fijians that might
influence the scores? Should a test was “normed” with Suva Fijians
be given to Fijians from a rural village?
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Ethnic and Racial BiasesEthnic Bias or Racial Bias occurs When members of a group are portrayed in
a stereotypical manner. When members of such groups obtain
different scores than members of another group – with the same skills and knowledge1.
Popham, 2006
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Race and Morality
One item on morality test was “The police should be called when you
someone who is suffering” Some Blacks in America may “fail” this
tests because of these types of items
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Why Blacks might not call the police!
YouTube - Michael Moore- The Awful Truth
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Socio-Economic Bias
Socio-economic bias occurs in tests when students are penalized based on their Socio-economic status1:
the isolated, rural environment, the restrictive poverty of many families, and cultural ties with a tribe or other group deny many students important knowledge of the outside world2.
1. Popham, 2006
2. Brescia & Fortune, 1988
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Language Bias
Language bias in tests occurs When second language
learners are penalized because of their lack of knowledge of the English Language.
For example, by their inability to read the questions accurately, or to give appropriate verbal responses.
Brescia & Fortune, 1988
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Special Needs Bias
According to Popham, a test is biased if it unfairly penalizes a group of students so that their performance is less than that of another group of students with the same achievement level with respect to the knowledge or skill being tested.
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Is it fair to test students using test items that we know do not match their ability levels? A) They haven’t learned the language sufficientlyB) They have had poor or no exposure to the info on test
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What are the effects of testing when students are not prepared
to do well ? Emotional effects
Students struggle with testing and its results and they question their own capabilities to learn. They lose confidence and the ability to take risks and become embarrassed and feel the need to “save face”. For children who haven’t grasped English testing becomes a painful and humiliating experience.
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Effects continued
We are creating more achievement gaps between students, rather than helping them because we are testing groups unfairly. disabled students not given enough time to test. Certain students have limited reading skills and can’t
even read the test and get no assistance. Many students with special needs don’t have fair
achievement measures.
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Research on “Stereotype Threat” ----stereotype threat-the threat that a
stereotyped group member feels when they feel that they will be evaluated based on the stereotype
Steele et al. had Black and White (from Stanford) participants answer various questions from the GRE
They were informed that it was a general aptitude test or a test of your intellectual abilities
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They found that: ----A) When they were informed that it
was general aptitude test, Black and White participants performed equally
----B) When they were told that it was an test of intellectual abilities, Blacks performed worst than Whites
He concluded, that when Blacks heard the term “test of intellectual abilities”, it primed the thoughts of racial inferiority, Black intellectual inferiority, etc.
Consequently, these negative thoughts directly or indirectly disrupted their cognitive abilities
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Steele also found that the act of indicating race on the test form lowered the performance of Blacks, but had no impact on the performance of Whites
He later showed stereotype threats with females and Whites males (I.e., the took a math test with Asian males)
He contends that you don’t have to “endorse” the stereotype to be affected, you only have to be aware of it
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How do you identify bias?
Content Bias-fair for all examinees
Language Bias-Is the item free of group specific language, vocabulary, or reference pronouns
Item Structure and Format Bias-Are there any flaws in the items to which members of different groups are differentially sensitive?
Stereotyping of Minorities-Avoid material that is controversial, inflammatory, demeaning or offensive to members of DSI (designated subgroup of interest).