Answer the following statements true (T) or false (F)
1. The null hypothesis generally states that there is no difference between the groups being compared, or that there is no relationship in the general population, or that any observed differences are due to random error.
2. Tests of significance assess whether the differences between observed and expected values could be due to chance or are statistically significant.
3. The level of statistical significance is set by the investigator in terms of the amount of risk or willingness to be in error in rejecting the null hypothesis (assuming a significant relationship).
4. Pearson’s r shows the relationship between two or more interval level variables.
5. Regression equation is an equation that enables the prediction of one variable on the basis of the value of others.
1. True
2. True
3. True
4. True
5. True
You might also like to view...
Parole in the United States is the practice of ______.
a. releasing convicted criminals from prison prior to the completion of their full sentence b. releasing convicted criminals from prison after the completion of their full sentence c. allowing individuals to serve the totality of their sentence in the community d. revising the sentences of convicted criminals during their incarceration in prison
Which of the following effects works by filling an offender’s place once they are incarcerated?
a. labeling effect b. replacement effect c. aging effect d. incapacitation effect
Children's memories of traumatic events are often:
A) never correct. B) exactly correct. C) distorted. D) None of the above.
The “Rockefeller Drug Laws” are associated with:
a. efforts to reduce drug-law penalties b. harsh and inflexible policies toward drug-law violations c. efforts to level out powder and crack-cocaine penalties d. increasing opportunities for drug treatment