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.
Global Rationale:
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