Base rate fallacy - Wikipedia
1000 Now consider the same test applied to population B, of which only 2% are infected. The expected outcome of 1000 tests on population B would be: Infected and test indicates disease (true positive) 1000 × 2/100 = 20 people would receive a true positive Uninfected and test indicates disease (false positive) 1000 × 100 – 2/100 × 0.05 = 49 people would receive a false positive The remaining 931 te
Common-method variance - Wikipedia
In applied statistics, (e.g., applied to the social sciences and psychometrics), common-method variance (CMV) is the spurious "variance that is attributable to the measurement method rather than to the constructs the measures are assumed to represent"[1] or equivalently as "systematic error variance shared among variables measured with and introduced as a function of the same method and/or source"
Mueller Science - concept of model - definition of model - types of models
The Concept of Model: Definitions and Types (If you wonder at some wording, please consult the tentative translation key) Difficulties with the definition of model Each definition of „model” is insufficient: It covers only a small range of the reach of use. In particular all definitions with the terms „original”, „reality” and „representation” cannot convince. The German “Brockhaus” (1971) offers
CRAN Task View: Econometrics
Suggestions and improvements for this task view are very welcome and can be made through issues or pull requests on GitHub or via e-mail to the maintainer address. For further details see the Contributing guide. Achim Zeileis, Grant McDermott, Kevin Tappe (2023). CRAN Task View: Econometrics. Version 2023-08-08. URL https://CRAN.R-project.org/view=Econometrics. The packages from this task view can
Translating IPIP Items
Translating IPIP Items into Other Languages This web-site serves as a clearing-house for those who plan to translate the English IPIP items into other languages. If you have already translated any IPIP items, or plan to do so, please contact Lewis R. Goldberg at: lewg@ori.org Beginning in January 2016, links are being added to translated item sets as they become available. The accuracy of the prov
Tests - Individual Differences Research Labs
TESTS Take one of our free personality tests, many of which are based on peer-reviewed scientific research, and all of which are crafted by experts in psychometrics.
Michal Kosinski: enemy of privacy or just a whistleblower?
Psychologist Michal Kosinski’s work shows how digital footprints can predict a person’s sexual orientation, political views and more. Is it a danger or a warning about threats to privacy? John Morgan reports from California Michal Kosinski has only just published his latest paper, but, later in the same day, the Stanford University psychologist and data scientist is already seeing criticism emerge
Human Capital Compendium 2017
I started writing on LinkedIn in April, and I've produced an article approximately once every two weeks or so. It's been enjoyable (and maybe even a little cathartic) to get ideas down in written form, and I have found it a helpful way to organize my thoughts in an exciting, rapidly growing field where a lot is happening currently. I thought it might be useful to organize my output from 2017 in a
The IQ test wars: why screening for intelligence is still so controversial
John, 12-years-old, is three times as old as his brother. How old will John be when he is twice as old as his brother? Two families go bowling. While they are bowling, they order a pizza for £12, six sodas for £1.25 each, and two large buckets of popcorn for £10.86 [each]. If they are going to split the bill between the families, how much does each family owe? 4, 9, 16, 25, 36, ?, 64. What number
Congeneric reliability - Wikipedia
In statistical models applied to psychometrics, congeneric reliability ("rho C")[1] a single-administration test score reliability (i.e., the reliability of persons over items holding occasion fixed[2]) coefficient, commonly referred to as composite reliability, construct reliability, and coefficient omega. is a structural equation model (SEM)-based reliability coefficients and is obtained from on
Construct validity - Wikipedia
Construct validity concerns how well a set of indicators represent or reflect a concept that is not directly measurable.[1][2][3] Construct validation is the accumulation of evidence to support the interpretation of what a measure reflects.[1][4][5][6] Modern validity theory defines construct validity as the overarching concern of validity research, subsuming all other types of validity evidence[7
R言語 CRAN Task View：社会科学の統計 | トライフィールズ
社会科学者は社会科学に固有のものではありません。ほとんどが統計的方法の広い範囲を使用します。実際に、社会科学の中で最も統計的データ解析は、標準のRの配布の一部である基本機能と推奨パッケージでカバーされています。以下のパッケージの説明では、私は最初の言及で基本および推奨パッケージを特定します。特に「推奨」または「R-base」として識別されていないパッケージは、貢献パッケージです。 その他の関連タスクビュー： 基本と貢献パッケージ以外に、一般的に社会科学で用いられる方法の多くは、次のような他のCRANタスクビューに広くカバーされています。他のタスクのビューに存在する重複情報を最小化して、アルファベット順で表示します。 Bayesian：混合効果モデルを含む社会科学者への関心のさまざまな設定でのベイズ推定の方法。 EconometricsとFinance：エコノミストや金融アナリストに固有の関
IQ tests have a dark, controversial history — but they're finally being used for good
John, 12-years-old, is three times as old as his brother. How old will John be when he is twice as old as his brother? Two families go bowling. While they are bowling, they order a pizza for $12, six sodas for $1.25 each, and two large buckets of popcorn for $10.86. If they are going to split the bill between the families, how much does each family owe? 4, 9, 16, 25, 36, ?, 64. What number is miss
GitHub - Tuuleh/masters-battery: Test battery of JS cognitive tasks written using jsPsych for my master's thesis
masters-battery By: Tuuli Pöllänen This is a repository for a web application containing a psychological experiment I conducted for my master's thesis, to explore cognitive skills and team cohesion in League of Legends players. The experiment consists of an informed consent, a survey for demographic information, two questionnaires, four cognitive tasks, and a finish-page for comments and feedback.
big-names-in-statistics-want-to-shake-up-much-maligned-p-value-1.22375
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Simultaneous modeling of visual saliency and value computation improves predictions of economic choice
http://rspb.royalsocietypublishing.org/content/284/1864/20171129
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Reliability of Difference Scores () on pc win free version download croatian (with image) · quifibatma · Storify