411 Small Business Facts

Strategic Alliances

Strategic Alliances, Volume 4, Issue 4, 2004

Data Collection Methods

Strategic Alliances, Volume 4, Issue 4, 2004

The data for this survey report were collected for the NFIB Research Foundation by the executive interviewing group of The Gallup Organization. The interviews for this edition of the Poll were conducted between April 23 – May 22, 2004 from a sample of small employers. “Small employer” was defined for purposes of this survey as a business owner employing no less than one individual in addition to the owner(s) and no more than 249.

The sampling frame used for the survey was drawn at the Foundation’s direction from the files of the Dun & Bradstreet Corporation, an imperfect file but the best currently available for public use.  Two samples were drawn from the file. The first was a random stratified sample of small manufacturers designed to compensate for their highly skewed distribution by employee size of firm (Table A1).  Almost 60 percent of small manufacturers in the United States employ just one to nine people meaning that a random sample would yield comparatively few larger small employers to interview. Since size within the small manufacturer population is often an important differentiating variable, it is important that an adequate number of interviews be conducted among those employing more than 10 people. The interview quotas established to achieve these added interviews from larger, small manufacturers are arbitrary but adequate to allow independent examination of the 10-19 and 20-249 employee size classes as well as the 1-9 employee size group.

The second sample drawn was a random sample from all industries of small employers with firms having fewer than 250 employees. A proportionate number of manufacturers was included. It was less important for current purposes to examine the population by firm size than manufacturers. As a result, the different and simpler sampling strategy (random) was employed for the general population.

Table A1
Sample Composition under Varying Scenarios

Expected from
 Random Sample*

Stratified Random Sample

Obtained from Stratified
 Random Sample

Employee Size of Firm

Interviews
Expected

Percent Distri-
bution

Interview
Quotas

Percent Distri-
bution

Completed Interviews

Percent Distri-
bution

1 - 9
10 - 19
20 - 250

355
98
147

59
16
25

200
200
200

33
33
33

204
201
205

33
33
33

All Firms

600

100

600

99

610

99

*Sample universe developed from the Bureau of the Census 2002 data) published by the Office of Advocacy at the Small Business Administration

About this poll

Cover of the report: Strategic Alliances

Volume 4, Issue 4, 2004
ISSN 1534-8326

William J. Dennis, Jr.
NFIB Research Foundation

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