According to a 2009 publication by Professor Andrew Oswald, Texas is considered one of the _____ places to live in the United States

Internal validity is the power of the research design to

a. isolate the dependent variable as being responsible for any experimental effects. b. isolate the independent variable as being responsible for any experimental effects. c. decrease the likelihood of statistical variance being too high. d. decrease the likelihood of statistical variance being too low.

Of the following, who advocated for consumer and environmental protections?

A. Ralph Nader B. Dr. Harvey Wiley C. Senator Estes Kefauver D. Senator Edmund Muskie E. All of these are correct.