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Teroka sains mengikut kaedah, bidang dan bukti.

Satu katalog kaedah penyelidikan — ketahui cara setiap satu berfungsi, bila digunakan dan apa yang tidak mampu dilakukannya.

6,521 kaedah11 bidang7 keluarga kaedah40 bahasa
Atlas sainsPetakan struktur sains sebelum anda menggunakannya.Bidang · kaedah · laluan buktiTeroka peta
BidangHealth & Medicine716Psychology570Business & Finance410Engineering330Life Sciences263Education261Research Practice
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© 2026 ScholarGate · Perpustakaan rujukan kaedah penyelidikan
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248
Natural Sciences236
Social Sciences185
Environment & Sustainability160
Law30
KaedahStatistik1,836AI & ML1,661Sains Keputusan932Kaedah Penyelidikan1,354Pengukuran1,745Kausal & Bukti532Amalan Penyelidikan118
5 kaedah dalam Psychology · Kausal & BuktiKosongkan
Kaedah di persilangan dua penapis anda.
IsihPopularitiA–ZZ–ATerbaharu
psychometrics

GRM

The Graded Response Model is an item response theory model developed by Fumiko Samejima in 1969 for ordered polytomous items such as Likert-type scales. It estimates both the discriminating power of each item and a set of threshold parameters marking the boundaries between adjacent response categories, while simultaneo

2 sumber1969
psychometrics

Ordinal Content Validity

Ordinal content validity replaces the traditional binary (yes/no) expert relevance judgment with a graded, Likert-type rating scale, allowing richer expert opinion to be captured when evaluating whether scale items adequately represent the intended construct domain.

2 sumber2003
psychometrics

Ordinal IRT

Ordinal item response theory (ordinal IRT) comprises a family of probabilistic models — most notably the Graded Response Model and the Partial Credit Model — that relate a respondent's standing on a latent trait to the probability of choosing each ordered response category on a polytomous item. It extends classical IRT

2 sumber1969
psychometrics

Polytomous DIF

Polytomous differential item functioning detects whether a test or survey item with more than two ordered response categories (e.g., Likert-type scales, partial-credit items) functions differently across groups such as gender, ethnicity, or language background, after controlling for the latent trait being measured. It

2 sumber1990
psychometrics

Polytomous item analysis

Polytomous item analysis examines the psychometric behavior of items that have more than two ordered response categories — such as Likert-type scales or partial-credit tasks. It evaluates each item's difficulty thresholds, discriminating power, and category functioning to determine whether the full response scale is be

2 sumber1969