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Supplementary PROCESS
Documentation
This document is an addendum to Appendix A of Introduction to Mediation,
Moderation, and Conditional Process Analysis that describes options and out-
put added to PROCESS since the printing of the book in May 2013. When-
ever a new feature is added to PROCESS the version number is changed.
This supplementary documentation is cumulative. All features described
as additions to earlier releases can be found in later releases as well. This
document was produced and uploaded to www.afhayes.com on September
27, 2014.
Decimal Place Precision in Output
(Version 2.10)
PROCESS generates numerical output to four decimals places of resolu-
tion. This can be changed with the dec argument when using the decimals
option. This argument is set to F10.4 by default, meaning numbers in the
output will contain up to ten characters, with four of these to the right of
the decimal. In this argument, Fa.b sets the number of characters allocated
to numbers to a and the number of decimal places to display to the right
of the decimal point to b. For example, decimals=F12.6 specifies twelve
characters with six to the right of the decimal place. In the dec argument, a
should be larger than b.
In the SAS version of PROCESS, the “F” should be left off the dec
argument. For example, to set 12 characters for numbers with six after the
decimal, use decimals=12.6.
Additional Johnson-Neyman Output
(Version 2.10)
When the Johnson-Neyman technique is used, the PROCESS output in
this release includes a table at the top that provides information about the