Here is a "thumbnail" comparison of ten Healthy vs Unhealthy practices which will help you identify the "3 C's"--Communication, Care and Control:

http://www.caic.org.au/biblebase/abuse/rh_home.htm

No church is completely healthy nor totally unhealthy, but most lie somewhere along a continuum. Some churches lie very close to the cult end while others are somewhere in between. The way to tell if a church is healthy or unhealthy is to examine the INTERPERSONAL relationships that are actually occurring. Most issues involving interpersonal relationships fall into one or two of the following categories: COMMUNICATION, CARE and/or CONTROL.