When conducting demand-side primary research it becomes important to recruit the participants (or samples) from sources that are as unbiased as possible. During the years that EDC has been recruiting respondents to participate in surveys this ideal has continuously been foremost in our efforts. Consequently, though we have used over 100 different individual sources for recruiting, the following principles are strictly adhered to and consistently applied:
- No vendor lists have ever been used in EDC subscription surveys and none have ever been added to the panel
- No platform-specific lists have ever been used in any EDC general subscription surveys and none have ever been added to the general panel
- No language-specific lists have ever been used in any EDC subscriptions surveys and none have ever been added to the panel
In this way we provide the most eclectic and unbiased sample available anywhere. With thousands of developers and IT pros chosen in a deliberately unbiased way from a wide variety of neutral lists, our data truly provides in-depth looks at representative samples of the technology landscape.

The EDC panel of developers includes over 105,000 professional developers in over 80 countries. The following presents a profile of those developers.
Market Segment
- 27% - Commercial, ISVs
- 25% - Custom, SI, VAR
- 35% - In-house Corporate
- 13% - Scientific, OEM and Other
Purchasing Involvement
- 80% Identify needs and make recommendations
- 50% Requisition specific tools and components
- 40% Approve/authorize expenditures
Geography
- 35% - North America
- 30% - EMEA
- 30% - APAC
- 5% - Latin America