More Measures of Effectiveness

Here's the rest of the Plone Effectiveness Measurement table, starting with attributes and drilling down to measures, including a column of notes about where we might be able to gather the necessary inputs.

Attribute	Measure	Notes
Release Size	Major, minor, RC, beta, alpha	Sourceforge history
Release Frequency	Date
Bugs	Subsequent bug reports	See FLOSS Study of Available Tools
Core mailing lists	Activity per unit time
Support mailing lists	Activity per unit time
Security vulnerabilities	Number of known vulnerabilities	MITRE CVE list of known vulnerabilities
Size of CDT	Number of core developers
Involvement of CDT	Length of service; role	Questionnaire
New features	Major and minor features included per release	http://plone.org/products/plone/roadmap
Downloads	Downloads per platform	http://sourceforge.net/project/stats/?group_id=47214&ugn=plone
Installations	Number of installations	?
Defectors	Number of installations removed	Uninstall feedback to Plone.org
Economic health of third-party companies	Metrics from Plone Foundation, Enfold, One/NW, etc.	Direct requests?
Technical reviews	Number and 'rating' from published reviews	Data mining?
High-profile installations	Number and 'quality' of high-profile users	http://plone.org/about/sites
Users of Plone portals	Number of registered members of Plone portals	Sampling?
Visitors to Plone portals	Number of visitors to Plone portals	Sampling?

Tomorrow I'll post a listing of URLs for various reviews and comparisons of Plone and other CMS.