We use the Analysis of Variance rather than the t ratio when more than two groups are involved because:
a. it is less time consuming to make the necessary calculations.
b. it decreases the likelihood of making a Type 1 error.
c. the more statistical tests conducted, the more likely sampling error may cause statistically significant findings.
d. all of the above
d. all of the above
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It is morally impermissible to treat people differently unless there are ______ differences between them.
a. racial b. factual c. economic d. religious
Which of the following eliminates possible pretest reactivity by studying both an experimental and a control group after the experimental group has been exposed to some treatment?
a. Solomon four-group design b. two-group ex post facto design c. counterbalanced design d. interrupted time-series design
Answer the following statement(s) true (T) or false (F)
1. Many believe that organized crime has ties with the waste disposal industries. 2. There is little evidence to suggest that pollution has any impact on human health. 3. President Cater established the Environmental Protection Agency in 1979. 4. The EPA enforces a variety of environmental laws including violations of the Clean Water Act and Clean Air Act. 5. The EPA has spearheaded efforts such as AirNow which provide information to the public regarding air quality.
The right to counsel, right to be tried by an impartial jury, and right to confront witnesses are ____________ U.S. Constitutional rights
a. First, Fourth, and Sixth Amendment b. First Amendment c. Fifth Amendment d. Sixth Amendment