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Related Concept Videos

Uncertainty: Overview00:59

Uncertainty: Overview

In analytical chemistry, we often perform repetitive measurements to detect and minimize inaccuracies caused by both determinate and indeterminate errors. Despite the cares we take, the presence of random errors means that repeated measurements almost never have exactly the same magnitude. The collective difference between these measurements - observed values - and the estimated or expected value is called uncertainty. Uncertainty is conventionally written after the estimated or expected value.
Propagation of Uncertainty from Random Error00:59

Propagation of Uncertainty from Random Error

An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
First Impression01:09

First Impression

First impressions play a crucial role in social perception, shaping how individuals assess others in professional, academic, and interpersonal contexts. Psychological research highlights the significance of cognitive biases, such as the primacy and recency effects, which influence how people interpret and recall information.The Primacy Effect and Cognitive AnchoringThe primacy effect describes the tendency for initial information to impact judgment disproportionately. When individuals encounter...
Hindsight Biases01:12

Hindsight Biases

Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
Introducing Social Perception01:29

Introducing Social Perception

Perceiving others accurately is fundamental to effective communication and relationship-building. Social perception, a key concept in social psychology, refers to the cognitive processes through which individuals gather and interpret information about others to understand their actions, intentions, and motivations. This process extends beyond spoken words and overt behaviors, incorporating subtle nonverbal cues and contextual factors.Nonverbal Cues and Their SignificanceNonverbal cues play a...
Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...

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Related Experiment Video

Updated: May 9, 2026

Experimental Research Examining How People Can Cope with Uncertainty Through Soft Haptic Sensations
09:07

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Published on: September 16, 2015

Practice uncertainty: changing perceptions.

Patrycja R Vaid, Carol Ewashen, Theresa Green

    Journal of Continuing Education in Nursing
    |July 24, 2013
    PubMed
    Summary

    Healthcare practice uncertainty is common, impacting patient and provider outcomes. Recognizing this phenomenon is crucial for evolving healthcare practices and improving practitioner experiences.

    Area of Science:

    • Healthcare practice
    • Nursing education
    • Patient outcomes

    Background:

    • Practice uncertainty is an inevitable aspect of healthcare.
    • Contextual factors significantly influence patient and provider outcomes.
    • The concept of practice uncertainty is under-explored in existing literature, possibly due to the emphasis on empirical paradigms and certainty in healthcare culture.

    Purpose of the Study:

    • To explore the phenomenon of practice uncertainty.
    • To elevate practice uncertainty as a foreground topic for discussion.
    • To initiate practice evolution by addressing uncertainty.

    Main Methods:

    • Qualitative exploration of practice uncertainty.
    • Focus on practitioner experiences and perceptions.

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  • Acknowledging the role of nursing educators.

    • Main Results:

    • Practice uncertainty is a prevalent, yet underexplored, concept in healthcare.
    • A shift in perception of practice uncertainty can alter practitioner experiences.
    • Nursing educators play a key role in recognizing and acknowledging practice uncertainty.

    Conclusions:

    • Recognizing and acknowledging practice uncertainty is the first step toward practice evolution.
    • A change in how practitioners perceive uncertainty can positively impact their experience.
    • Integrating the understanding of practice uncertainty into nursing education is essential.