Answer:
<em>the presence of others who might judge us </em>
Explanation:
<em>In psychology,</em><em> the concept of social facilitation was first introduced by one of the famous psychologist named </em><em>Norman Triplett</em><em> during 1898 and later on during 1920, </em><em>Floyd Allport </em><em>termed it as social facilitation. </em>
<em>The phenomenon of social facilitation</em><em> states that a person tends to perform better on specific tasks when he or she is surrounded by another person rather than alone.</em>
<em>In reference to the question above, the concept of social facilitation signifies "the presence of others who might judge us" can increase arousal.</em>
Answer:
B. Priya has a higher stroke volume
Explanation:
Sarah is resting in a chair for a long period of time; her calf and thigh muscles are totally relaxed. Next to her, Priya is also resting in a chair, but she is wiggling, kicking, tapping, and vibrating her legs; resulting in an pattern where her calf and thigh muscles are alternating between relaxed and contracted states. If all else is equal, Priya has a higher stroke volume
Chamber break- thats what i think at least
