If a Researcher Is Telling Her Subjects About the Potential

question 3

Multiple Choice

If a researcher is telling her subjects about the potential risk of participating in a study, she is illustrating the principle of:

• A) voluntary participation.
• B) informed consent.
• C) debriefing.
• D) interrater reliability.

Apply knowledge of hypothesis testing to various real-world contexts and scenarios, such as quality control, academic beliefs, and market trends.

Calculate p-values and interpret their significance in the context of hypothesis testing.

Distinguish between one-tailed and two-tailed tests and apply them appropriately to hypothesis testing situations.

Understand the motivations and contributions of key figures in the progressive era.

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Definitions:

P-value

The probability of obtaining test results at least as extreme as the ones observed during the test, assuming that the null hypothesis is true.

Fertilizer Effectiveness

The impact of fertilizer on promoting plant growth, measured by the increase in biomass, yield, or health of the plants.

Wilcoxon Rank-sum Test

A nonparametric test used to assess whether there is a significant difference between two independent samples based on median comparison.

Kruskal-Wallis Test

A nonparametric statistical test used to compare three or more groups or samples that do not meet the assumption of normality.