In Alaska, 22 percent of families who received HFA services reported very high levels of parenting stress (above 90th percentile), as compared with 30 percent of mothers in the control group. (cyc-net.org)
Results indicate that over a 12 - month period mothers in the PTC group reduced their use of negative reinforcement and negative reciprocity, whereas mothers in the control group increased theirs. (cebc4cw.org)