Claims

Sample sizes in Turkish IRT-based scale development studies ranged from 166 to 2223, with about half below the recommended 500

Claim · All claims
Evidence · 1 study · review r2 · q2
Currency · newest study 2023 · not yet checked against its sources · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q2 i? Across 19 reviewed studies, sample sizes ranged from 166 to 2223 (Mean = 779, Median = 519, SD = 596), and ten studies had samples of 500 or larger. → Kılıç 2023

Evidence

Kılıç 2023

Kılıç, A. F., Koyuncu, İ, & Uysal, İ. (2023). Scale development based on item response theory: A systematic review. International Journal of Psychology and Educational Studies, 10(1), 209-223. https://dx.doi.org/10.52380/ijpes.2023.10.1.982

q2 · i? · review · r2

Systematic review of 19 IRT-based scale development studies in Turkey; the review reports descriptive sample-size statistics: "Sample sizes of the reviewed studies ranged from 166 to 2223 (Mean = 779, Median = 519, SD = 596)". Ten studies had a sample size of 500 or larger.

"Sample sizes of the reviewed studies ranged from 166 to 2223 (Mean = 779, Median = 519, SD = 596)."

Discussion

Page metadata
Field Value
type claim
id irt-scale-development-turkey-sample-sizes
title Sample sizes in Turkish IRT-based scale development studies ranged from 166 to 2223, with about half below the recommended 500
description Sample sizes in Turkish IRT-based scale development studies ranged from 166 to 2223, with about half below the recommended 500
status review
evidence_strength moderate
newest_evidence 2023
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — kılıç-2023

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