SSI, Inc. offers a technical support service via e-mail. This service is only available to registered end users of the SSI software products. Click here to view SSI’s policy and procedures for obtaining technical support.
This service applies to problems in using the software and does not include statistical consultation. If you need help with modeling concepts and interpretation, please consult our list of related material or post a question to the Multilevel Listserv. If you require statistical consultation service, Vector Psychometric Group‘s Consulting Division would be pleased to be of assistance. Contact the VPG Sales Desk at email@example.com for more information.