A researcher fails to reject the null hypothesis in a study. The study was repeated multiple times and that analysis revealed that the null hypothesis should have been rejected. What occurred in the original research?
1. A type I error
2. A type II error
3. A standard error of the mean
4. A type III error
2
Rationale 1: Type I errors can only occur when the researcher does reject the null hypothesis and in actuality there is no difference between the group. Type I errors are considered false positives.
Rationale 2: A type II error is a false negative.
Rationale 3: Standard errors of the mean are considered in population statistics only when confidence intervals are calculated.
Rationale 4: There is no type III error.
Global Rationale:
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a. A small breed of dog because the large dogs produce more allergens b. An older unneutered dog that produces fewer allergens than a younger one c. A cat because it requires less care and is less allergenic d. A poodle, which does not shed, making it a good choice for people with allergies
Systematic sampling may be either probability or nonprobability sampling
A) True B) False
The Passy-Muir valve is contraindicated in patients
a. who are trying to relearn normal breathing patterns. b. who experience low secretions. c. with laryngeal or pharyngeal dysfunction. d. who want to speak while on the ventilator.
Psychoanalysts have theorized that persons with paranoid personality disorder experienced, in childhood, a parent who was:
a. smothering, doing everything for the child so the child lacked independence b. controlling, abusive, cruel, or sadistic c. cold, calculating, unemotional, or absent d. seriously mentally or physically ill