[IPAC-List] Missing data note

Joel Wiesen wiesen at personnelselection.com
Wed Jan 14 20:51:17 EST 2009


The December 2008 American Psychologist article titled "Reporting
Standards for Research in Psychology" mentions missing cases that are
MAR or MCAR (i.e., "missing at random" or "missing completely at
random"). (MCAR is a special case of MAR.)

These websites have some explanations of MAR and MCAR:

It seems these concepts date back to the 1970's and have been gaining
traction since then.


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