ADEQUATE SAMPLE SIZES FOR 2-LEVEL HIERARCHICAL LINEAR MODELING

Name: ADEQUATE SAMPLE SIZES FOR 2-LEVEL HIERARCHICAL LINEAR MODELING
Brand: VDM Verlag Dr. Müller
SKU: 9783639210583
Price: 303.56 RON
Availability: InStock

HIERARCHICAL LINEAR MODELING

Autor: Tsehua Shih

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Legare: Carte broșată

Editura: VDM Verlag Dr. Müller

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Because educational data typically have ICCs ranging from 0.1 to 0.2, we focus our discussions about...

Informații despre carte

Autor

Tsehua Shih

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2009

Pagini

132

EAN

9783639210583

Enbook ID

06828983

Editura

VDM Verlag Dr. Müller

Dimensiuni

150 x 220 x 8

Descriere completă

Because educational data typically have ICCs ranging from 0.1 to 0.2, we focus our discussions about adequate sample sizes under ICC = 0.15 as a representative condition. This study discusses ranges of sample sizes that are inadequate or adequate for statistical power, relative bias, and accuracy of individual parameter estimates. Unlike previous studies that dogmatize minimum sample size requirement for various purposes, the current study, with more detailed simulation designs for small sample sizes and ICCs, provides numerous options of adequate sample sizes under various ICC conditions. By providing these options and well- documented simulation results, this study emphasizes that adequate sample sizes at either level 1 or level 2 can be adjusted according to different interests in parameter estimates, different expectation of statistical power, and different ranges of tolerable bias and accuracy. This will assist researchers in making better decisions for selecting adequate sample sizes in HLM analysis.

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ADEQUATE SAMPLE SIZES FOR 2-LEVEL HIERARCHICAL LINEAR MODELING

HIERARCHICAL LINEAR MODELING

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