I think the second one and fouth one are correct but I could be totally wrong :/
Answer:6
Explanation: Suppose you have 30 participants and these were divided evenly between the treatments, you would have 6 replications
Answer: Heart Attack.
Explanation:
The most common symptoms of a heart attack are:
- Pressure, discomfort or pain in the chest or arms, prossibly spreading to the neck, jaw or back.
- Nausea, indigestion or abdominal distress.
- Diffculty to breathe.
- Cold sweats.
- Fatigue
- Abrupt dizziness.
Syntoms differ form person to person, with different intesity. Some will have several of this syntomes, and some may have none.
Answer:
B. Obtain a waiver of documentation of informed consent
Explanation:
According to my research on legal proceedings during an experiment, I can say that based on the information provided within the question the best thing would be to obtain a waiver of documentation of informed consent. This waiver is a document signed by the Institutional Review Board (IRB), which provides proof that the participants know exactly what they are signing and that everything was done legally and according to procedures.
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If an online connection is not well established, most likely the person will not feel confident knowing the other person in person. Usually people tend to develop different personalities when they are chatting online, no matter how much the conversation is through videos and things like that, it is easier to see the person and their real "I" personally, this makes many people not feel confident in meet in person, because that virtual image that was created can be undone and not be real.