Subjects in a Test Were Given a New Drug or a Placebo

question 43

Multiple Choice

Subjects in a test were given a new drug or a placebo, and then their reactions (headache or no headache) were recorded. The results are given in the table below.
$\begin{array}{r|rr} & \text { Drug } & \text { Placebo } \\\hline \text { Headaches } & 19 & 7 \\\text { No headaches } & 73 & 95\end{array}$

• A) \(\mathrm { H } _ { 0 }\) : The drug and the occurrence of headaches are independent.
• \(\mathrm { H } _ { \mathrm { a } }\) : There is a relationship between the drug and the occurrence of headaches.
• B) \(\mathrm { H } _ { 0 }\) : The drug and the occurrence of headaches are independent.
• \(\mathrm { H } _ { \mathrm { a } }\) : There is no relationship between the drug and the occurrence of headaches.
• C) \(\mathrm { H } _ { 0 }\) : There is a relationship between the drug and the occurrence of headaches.
• \(\mathrm { H } _ { \mathrm { a } }\) : The drug and the occurrence of headaches are not independent.
• D) \(\mathrm { H } _ { 0 }\) : There is a relationship between the drug and the occurrence of headaches.
• \(\mathrm { H } _ { \mathrm { a } }\) : The drug and the occurrence of headaches are independent.

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Definitions:

Do-Your-Best Goal

A non-specific goal that encourages individuals to perform to the best of their ability without specifying a particular outcome.

High Performance Goal

A defined objective aiming to achieve exceptionally high results and standards in specific activities or processes.

Specific Learning Goal

A clear, targeted objective related to acquiring knowledge or skills in a defined area.

Active Listening

A communication technique that involves giving full attention to the speaker, understanding their message, providing feedback, and retaining the information.