Two new instruments created to assess perceptions of Science,
Technology, Engineering, and Math (STEM) disciplines
and careers are analyzed and found to have respectable
to excellent internal consistency reliability, as well as good
content, construct, and criterion-related validity for the areas
assessed. Cronbach’s Alpha for the individual scales on
the STEM Semantics Survey and the STEM Career Interest
Questionnaire ranged from .78 to .94 across the eight constructs
represented. These scores were judged to be acceptable
to assess anticipated changes resulting from Middle
Schoolers Out to Save the World (MSOSW) ITEST project
activities, and are believed to be worthy of use by other ITEST
projects.