A note on computing the chi-square noncentrality parameter for power analyses

J. K. Hewitt; A. C. Heath

doi:10.1007/BF01067079

A note on computing the chi-square noncentrality parameter for power analyses

J. K. Hewitt
, A. C. Heath

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Power calculations for a variety of research designs used in behavior genetics require the determination of a chi-square noncentrality parameter. For many purposes published tables are adequate, but for cases where they are not we provide a graph for approximating the required parameters for up to 300 degrees of freedom and illustrate a straightforward procedure for accurate determination using a widely available SAS function.

Original language	English
Pages (from-to)	105-108
Number of pages	4
Journal	Behavior genetics
Volume	18
Issue number	1
DOIs	https://doi.org/10.1007/BF01067079
State	Published - Jan 1988

Keywords

noncentral chi-square
power calculation

Access to Document

10.1007/BF01067079

Cite this

@article{0a1606aafcb04b3590e443be6b93afba,

title = "A note on computing the chi-square noncentrality parameter for power analyses",

abstract = "Power calculations for a variety of research designs used in behavior genetics require the determination of a chi-square noncentrality parameter. For many purposes published tables are adequate, but for cases where they are not we provide a graph for approximating the required parameters for up to 300 degrees of freedom and illustrate a straightforward procedure for accurate determination using a widely available SAS function.",

keywords = "noncentral chi-square, power calculation",

author = "Hewitt, \{J. K.\} and Heath, \{A. C.\}",

year = "1988",

month = jan,

doi = "10.1007/BF01067079",

language = "English",

volume = "18",

pages = "105--108",

journal = "Behavior genetics",

issn = "0001-8244",

number = "1",

}

TY - JOUR

T1 - A note on computing the chi-square noncentrality parameter for power analyses

AU - Hewitt, J. K.

AU - Heath, A. C.

PY - 1988/1

Y1 - 1988/1

N2 - Power calculations for a variety of research designs used in behavior genetics require the determination of a chi-square noncentrality parameter. For many purposes published tables are adequate, but for cases where they are not we provide a graph for approximating the required parameters for up to 300 degrees of freedom and illustrate a straightforward procedure for accurate determination using a widely available SAS function.

AB - Power calculations for a variety of research designs used in behavior genetics require the determination of a chi-square noncentrality parameter. For many purposes published tables are adequate, but for cases where they are not we provide a graph for approximating the required parameters for up to 300 degrees of freedom and illustrate a straightforward procedure for accurate determination using a widely available SAS function.

KW - noncentral chi-square

KW - power calculation

UR - https://www.scopus.com/pages/publications/0023833296

U2 - 10.1007/BF01067079

DO - 10.1007/BF01067079

M3 - Article

C2 - 3365192

AN - SCOPUS:0023833296

SN - 0001-8244

VL - 18

SP - 105

EP - 108

JO - Behavior genetics

JF - Behavior genetics

IS - 1

ER -

A note on computing the chi-square noncentrality parameter for power analyses

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this