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A team of researchers believe that passersby walking near a church will donate more money than passersby walking by a government building. They randomly assign participants to walk one of two paths around campus (one near a church and one near a local government building), with an actor in the middle of each path asking for donations. In this example, what is the measured variable?

Carol’s workplace is in the 70th percentile for the variable “number of workplace-related injuries” in her field. She believes this is a good thing, since 70% in school is a passing grade. Explain, in common language, what this number means and whether her interpretation is correct.

equation for exam 1.png This equation represents the [BLANK-1]:

Brian and his friends place their favorite guitar players in a hierarchy from worst to best. This level of measurement would be:

In science, a(n) _____ is able to determine cause-and-effect relationships.

Infants who are __________-fed experience a higher incidence of ear infection.

What effect can poverty have on children’s language development? 

Laura often speaks in a loud voice, experiences periods of unexplained frustration, and appears to disregard her teacher’s instructions. These behaviors may indicate a possible:

At what age is the first MMR (measles, mumps, rubella) vaccine typically given to children?

During the first six months, an infant can be expected to grow almost one inch in length per month.