OCAI Online offers the Organizational Culture Assessment Instrument (OCAI) developed by Cameron & Quinn online. It's free for individual respondents so try it at http://www.ocai-online.com

You can learn how to utilize the OCAI tool in an online training:
The online video training about corporate culture change can be found at http://www.organizationalculturechange.com

Marcella Bremer is associate partner at OCAI Online and she's an experienced professional in the field of corporate culture change.  

Her motto is: "Develop the workers, the workplace and the world." 
She helps organizations and consultants diagnose and change culture so they can utilize culture to create a great place to work (including organizational effectiveness).

Check out the 21C Change Community where we share valuable resources about (culture) change at http://www.ocai-online.com/contentpack/

-> Download the free e-book 21C Positive Change below and join in at http://www.21cpositivechange.com