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関連する概念動画

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?
Margin of Error01:27

Margin of Error

The margin of error is also called the maximum error of an estimate. The margin of error is the maximum possible or expected difference between the observed sample parameter value and the actual population parameter value. For proportion, it is the maximum difference between the value of sample proportion obtained from the data and the true value of population proportion. As the true value of the population parameter is not known, the margin of error is calculated using the sample statistic.
Confidence Coefficient01:24

Confidence Coefficient

The confidence coefficient is also known as the confidence level or degree of confidence. It is the percent expression for the probability, 1-α, that the confidence interval contains the true population parameter assuming that the confidence interval is obtained after sufficient unbiased sampling; for example, if the CL = 90%, then in 90 out of 100 samples the interval estimate will enclose the true population parameter. Here α is the area under the curve, distributed equally under both the...
Conservative Forces01:03

Conservative Forces

Conservative forces are an essential concept in the field of mechanical engineering. Understanding the properties and characteristics of these forces is crucial to the design and analysis of mechanical systems.
Conservative forces are forces that are dependent only on the initial and final positions of an object and that are independent of the path that the object takes between these positions. These forces conserve energy, which means that the work done by the force is independent of the path...
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.
Uncertainty: Confidence Intervals00:54

Uncertainty: Confidence Intervals

The confidence interval is the range of values around the mean that contains the true mean. It is expressed as a probability percentage. The interpretation of a 95% confidence interval, for instance, is that the statistician is 95% confident that the true mean falls within the interval. The upper and lower limits of this range are known as confidence limits. The confidence limits for the true mean are estimated from the sample's mean, the standard deviation, and the statistical factor 't,' or...

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関連する実験動画

Updated: Jul 7, 2026

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

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

Published on: September 16, 2015

2000年の選挙:不確実性が地震で勝利する.

D Malakoff

    Science (New York, N.Y.)
    |September 6, 2007
    PubMed
    まとめ

    米国の選挙結果は未定であり,将来の科学政策と予算決定の明確性を遅らせます. 研究者やロビイストは,科学的な取り組みに影響を及ぼしている議会と政権の主要人物を特定するために,長い待機に直面しています.

    科学分野:

    • 政治科学は政治学を学んでいる.
    • 科学政策 科学政策
    • 公共行政は,公共行政である.

    背景:

    • 科学政策の重要な出来事である米国の大統領選挙は,まだ未定のままです.
    • 参議院と下院の競争が激しく争われているため,政治情勢はさらに複雑になっています.
    • 議会と新政権の構成をめぐる不確実性がある.

    研究 の 目的:

    • 選挙結果の遅延が科学政策と資金調達に及ぼす影響を分析する.
    • 未決の選挙が科学研究とアドボカシーに与える潜在的な影響を特定する.
    • 科学関連の政府の役割に新しいリーダーシップを確立するためのタイムラインを予測する.

    主な方法:

    • 選挙データと政治予測モデルの分析.
    • 科学政策の移行のための歴史的先例のレビュー.
    • 重要な議会委員会と行政機関の役割の評価.

    主要な成果:

    • 選挙結果は,世代の中で最も近い結果であり,長期的な不確実性につながります.
    • 科学政策と予算に影響を与える主要なリーダーシップのポジションは,まだ決定されていません.
    • 将来の科学政策環境の決定的な理解は,数ヶ月かかることがあります.

    さらに関連する動画

    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
    05:22

    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

    Published on: May 9, 2019

    An R-Based Landscape Validation of a Competing Risk Model
    05:37

    An R-Based Landscape Validation of a Competing Risk Model

    Published on: September 16, 2022

    関連する実験動画

    Last Updated: Jul 7, 2026

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

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

    Published on: September 16, 2015

    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
    05:22

    Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

    Published on: May 9, 2019

    An R-Based Landscape Validation of a Competing Risk Model
    05:37

    An R-Based Landscape Validation of a Competing Risk Model

    Published on: September 16, 2022

    結論:

    • 米国選挙による長期の不確実性は,科学界に課題を投げかけています.
    • 研究者やロビイストは,政策と予算の明確さが明らかになる前に,長期にわたって準備をしなければならない.
    • 遅延は,政治的成果と科学的進歩の相互関連性を強調しています.