To find reliable data, limit your Google search results to a reliable website using the site search, like this:
wages gender teachers site:bls.gov
(bls is the Bureau of Labor Statistics)
"pay equity" construction jobs site:aflcio.org
(aflcio is American Federation of Labor and Congress of Industrial Organizations)
"sex differences" wage engineering site:bls.gov
(bls is the Bureau of Labor Statistics)
gender income gap professor site:iwpr.org
(iwpr is Institute for Women's Policy Research)
Note that Google does not require you to use the word "and" between your keywords.
Try it! Copy and paste one of the search suggestions above into the Google box below and press Search.
Google Search Bar