Authority Figure

An authority figure is a person or institution perceived as having legitimate power, expertise, or responsibility to direct behavior, shape judgments, or enforce rules. In psychology, authority influences people through social learning, role expectations, and perceived legitimacy, which can encourage compliance even when instructions conflict with personal preferences. Researchers study authority figures in families, schools, workplaces, healthcare, and legal settings to understand obedience, conformity, leadership, and resistance. This concept helps explain how social roles affect decision-making and behavior, while also highlighting the importance of ethical oversight when authority is used to influence or control others.

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JoVE Core - Social Psychology
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Milgram's Obedience to Authority

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2020

Obedience to authority is classically demonstrated in a more famous series of social psychology experiments performed by Stanley Milgram. He was a social psychology professor at Yale who was influenced by the trial of Adolf Eichmann, a Nazi war criminal. Eichmann’s defense for the atrocities he committed was that he was “just following orders.” Milgram’s Experiments Milgram (1963) wanted to test the validity of this defense, so he designed an experiment and initially recruited 40 men for his...

Education

JoVE Core - Physics

Rules for Significant Figures

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2023

In any measurement, the precision of the measuring tool is an essential factor. An ordinary ruler, for example, can measure length to the closest millimeter; a caliper, on the other hand, can measure length to the nearest 0.01 mm. As a result, the caliper is a more precise measurement tool because it can measure extremely minute changes in length. The measurements will be more accurate if the measuring tool is more precise. It should be emphasized that when we represent measured values, the...

Uncertainty in Measurement: Significant Figures

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2020

All the digits in a measurement, including the uncertain last digit, are called significant figures or significant digits. Note that zero may be a measured value; for example, if a scale that shows weight to the nearest pound reads “140,” then the 1 (hundreds), 4 (tens), and 0 (ones) are all significant (measured) values. A measurement result is properly reported when its significant digits accurately represent the certainty of the measurement process. Below are a set of rules to determine the...

Rules of Significant Figures

0 Views •

2023

In any measurement, the precision of the measuring tool is an essential factor. An ordinary ruler, for example, can measure length to the closest millimeter; a caliper, on the other hand, can measure length to the nearest 0.01 mm. As a result, the caliper is a more precise measurement tool because it can measure extremely minute changes in length. The measurements will be more accurate if the measuring tool is more precise. It should be emphasized that when we represent measured values, the...

Significant Figures in Calculations

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2023

Uncertainty in measurements can be avoided by reporting the results of a calculation with the correct number of significant figures. This can be determined by the following rules for rounding numbers: When adding or subtracting numbers, round the result to the same number of decimal places as the number with the least number of decimal places. When multiplying or dividing numbers, round the result to the same number of digits as the number with the least number of significant figures. If...

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