PBIS:

Disproportionality/Implicit Bias

Sherry Proudfoot

What is Implicit Bias?

The attitudes or stereotypes that affect our understanding, actions and decisions in an unconscious manner .

Disproportionality

Definition:

Ratio between the percentage of a group that experiences an event compared to the percentage of the overall group.

For example:

African American students are three and a half times more likely to be referred for a major behavior than a caucasian student.

Formula for Determining Disproportionate Percentage:

Risk Index of Target Group (African American)

Risk Index of Comparison Group (Caucasian)

2017/18 School Year

RI of African American 1.32

RI of Caucasian .38

African American students are 3.5 times more likely to be referred than Caucasian students.

= 3.47

Disproportionality of Ethnicity Subgroups

Subgroup

2017/18

School Year

1st Semester

2018/19

Caucasian*

1.0

1.0

African American

3.47

3.5

Hispanic

0.6

0.89

Multicultural

0.4

0.89

Native Hawaiian/ Pacific Islander

0.0

.42

Asian/

Pacific Islander

0.0

0.0

* Control Group

Disproportionality of Grade Subgroups

Grade

2017/18

School Year

1st Semester 2018/19

Kinder

1.29

1.1

1st Grade

1.38

0.7

2nd Grade*

1.0

1.0

3rd Grade

2.21

1.5

4th Grade

1.62

1.3

5th Grade

3.66

6.3

Disproportionality of

Gender, IEP LEP and 504 Subgroups

Gender

2017/18

School Year

1st Semester

2017/18

Male

2.21

1.5

Female*

1.0

1.0

Special

Populations

2017/18

School Year

1st Semester

2017/18

No Special Population*

1.0

1.0

IEP

1.1

2.0

LEP

0.4

0.5

1st Semester disproprtionality vs. 2017/18 - Google Slides