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Table 3 Number of samples in which one, two, and three factors were extracted for the skewed distributions (simple random sampling) and approximately symmetric distributions (stratified random sampling) for each country

From: Why sample selection matters in exploratory factor analysis: implications for the 12-item World Health Organization Disability Assessment Schedule 2.0

 

Skewed Distributions

Approximately Symmetric Distributions

Number of Factors

1

2

3

1

2

3

China

993

7

0

0

1000

0

India

62

938

0

0

932

18

Mexico

894

106

0

0

1000

0

Russian Federation

6

994

0

0

1000

0

South Africa

1000

0

0

0

396

604

Ghana

587

413

0

0

0

1000

  1. Note. n = 1000 samples of 750 adults per country per sampling approach