When does the researcher set the level of significance for rejecting the statistical null hypothesis?
1. Once enough data are collected to show a definite trend.
2. Before data are collected.
3. After data are analyzed.
4. Just before study findings are published.
2
Rationale 1: The level of significance is set before any data are collected.
Rationale 2: This designation is made before data are collected.
Rationale 3: The level of significance should have been set before any data were collected not during analysis.
Rationale 4: The level of significance should have been set much earlier in the study. It is too late to set it once data have been collected.
You might also like to view...
The nurse is performing a physical assessment of patient who is undergoing a bone marrow biopsy. What finding by the nurse indicates the patient is experiencing stress?
a. Blood pressure of 120/84 b. Temperature of 37.5 ° C c. Heart rate of 110 beats/min d. Respiratory rate of 10 breaths/min
Which of the following factors are central to successful nursing leadership (select all that apply)?
a. Access to information and resources b. Respectful and collaborative teamwork c. Supportive cultures in which nurses are valued for their expertise d. Formal and informal power e. Vertical compensation
The nurse is performing a medical history and physical assessment on an older client. Which common findings in the older client are related to the musculoskeletal system? (Select all that apply.)
a. Decrease in bone density b. Decrease in falls due to lack of activity c. Atrophy of the muscle tissue d. Decrease in bone prominence e. Degeneration of cartilage f. Reduced range of motion of the joints
Among other variables, upon what does damage from a specific chemical depend?
a. The dose b. The environmental factors c. The toxicology d. The virulence and infectivity