2016 Pay Equity Study Results: Physical Sciences

Ladder Rank Salary Data

The salary data for all Ladder Rank Faculty in the School of Physical Sciences are plotted below.
As a function of rank, step, and gender:

physci-rank-step-gender  
As a function of rank, step, and ethnicity:

physci-rank-step-ethnicity

Multiple Linear Regression Analysis

Multiple regression analysis of salary vs rank/step. As indicated in Table 1, the simplest model with only demographic variables shows women earn salaries that are 14% lower, Asian and URM faculty earn 4%, compared to their colleagues who are white and male. Two percent of salary variation is explained by this model. As control factors are added to the model, salary differences change with women and Asian faculty earning 3% more, and URM faculty earn 1% less, compared to white male faculty. The percentage of salary variation explained by the model increases to 92%.

Progression Analysis

The progression data for all Physical Sciences Ladder Rank Faculty, are plotted below.  Normative progression is defined in the Progression Matrix.

Progress by gender:

physci-progress-by-salary-and-gender
Progress by ethnicity:

physci-progress-by-salary-and-ethnicity

Progress Rate Analysis

The results indicate there isn’t a statistically significant difference in progression rate means by gender when compared to white male faculty. URM faculty, however, progress approximately four and a half years slower (p=0.01). Normative progression is defined in the Progression Matrix.

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