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関連する概念動画

Review and Preview01:10

Review and Preview

8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
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Review and Preview01:13

Review and Preview

11.6K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.6K
Random and Systematic Errors01:20

Random and Systematic Errors

15.3K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
15.3K
Systematic Sampling Method01:17

Systematic Sampling Method

13.4K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
13.4K
Propagation of Uncertainty from Systematic Error01:10

Propagation of Uncertainty from Systematic Error

1.5K
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
1.5K
Systematic Error: Methodological and Sampling Errors01:15

Systematic Error: Methodological and Sampling Errors

11.1K
In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
Sampling errors originate from improper sampling methods or the wrong sample population. These errors can be minimized by refining the sampling strategy. Defective instruments or faulty calibrations are the sources of instrumental...
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Updated: Feb 13, 2026

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes
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捕食的な出版リスト:体系的なレビュー

Fahmi H Kakamad1,2,3, Ayman M Mustafa1, Berun A Abdalla1,2

  • 1Scientific Affairs Department, Smart Health Tower, Sulaymaniyah, Iraq.

Annals of medicine and surgery (2012)
|February 12, 2026
PubMed
まとめ
この要約は機械生成です。

プレダトリージャーナルは,不正な出版を特定するのに役立つリストを掲載しているが,一貫した基準と更新は欠けている. 標準化された方法と透明性は,その信頼性と学術的誠実さを保護するために不可欠です.

キーワード:
ビールリスト (Beall List) とはカベル・リスト (Cabell list) とは,カベル・リスト (Cabell list) とは,カベル・リスト (Cabell list) とはKscienリスト捕食者の日記 捕食者の日記プレダトリー・パブリッシャー

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Last Updated: Feb 13, 2026

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Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Published on: September 4, 2016

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Author Spotlight: Demonstrating Systematic Endobronchial Ultrasound to New Endoscopists
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科学分野:

  • 学術出版は学術的な出版である.
  • アカデミック・インテグリティ
  • ビビロメトリクス (Bibliometrics) とは

背景:

  • 捕食的なジャーナルは,オープンアクセスのモデルを利用し,ピアレビューを回避することによって,学術出版を損なう.
  • 標準化された基準の欠如は,捕食的なジャーナルの識別を複雑にします.
  • 既存のリストは,透明性を高め,学術出版の保護を目的としています.

研究 の 目的:

  • 既存の捕食者のジャーナルリストを体系的にレビューする.
  • 透明性の向上と学術出版の保護におけるその有効性を評価する.
  • 方法論,透明性,更新メカニズムにおけるギャップを特定する.

主な方法:

  • PRISMAのガイドラインに準拠した体系的なレビュー.
  • 学術データベース (PubMed, Web of Science, Scopus, DOAJ),灰色の文献,および出版社のウェブサイトで包括的な検索を行います.
  • 治理,アクセシビリティ,識別基準,更新メカニズムを含む抽出変数の比較分析.

主要な成果:

  • 10つのリストが分析され,60%が2017年以降に作成され,90%が公開された.
  • ほとんどのリスト (70%) はジャーナルと出版社をカバーし,90%は手動レビューを使用して識別しました.
  • リストの80%ではリストの削除基準が不明で,60%では更新頻度が特定されていない.

結論:

  • 有益ではあるが,基準の不一致,更新,リストの削除は,捕食的なジャーナルリストの信頼性を低下させる.
  • 標準化された方法論,透明性の向上,そして継続的な努力が,それらの関連性を維持するために必要である.
  • これらのリストは,学術的な誠実さを効果的に保護し,研究者を信頼性の高い出版会場へと導くために改善する必要があります.