Answer:
Select temperature changes as the method of producing physiological stress.
Explanation:
Protection from Harm
In research, all psychologists are held bound by ethical obligation to ensure that their participants or volunteers to research work are safe from psychological and physiological harm.
Protection from Harm is handled by researcher through the Anticipation of harm and stopping the study.
Psychologists defend their research ethically by saying and proving that any harm caused to their participants was unexpected.
In research, it means that a researcher cannot expose individual volunteers to physical or emotional risks. Also unintentional distress is possible.
The three ethical principle stated by the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research are: respect for person, beneficence, and justice.
The answer is signing or sign language. As this is the expression or language that they use to communicate towards other people as they were not able to communicate using their tongues as they don't have any hearing or their hearing input is impaired.
The answer is; farmers.
<em>Hope this helped! :)</em>
