The generalization effects of parent training across stimulus settings.
Parent training lifts child talking at home, but school gains need extra links like teacher coaching or shared stimuli.
01Research in Context
What this study did
Four mothers learned to prompt and praise their children’s talking at home.
Staff taught each mom in her living room for about two hours.
They then watched how much the child spoke at home and at school.
What they found
Kids talked more in the trained room and a little in an untrained room at home.
School talking barely moved.
Moms mostly kept the new skills only in the room where they were taught.
How this fits with other research
McGeown et al. (2013) later moved parent training into preschool classrooms. They saw gains at school because teachers joined the coaching.
Liao et al. (2025) ran the same idea over Zoom with Taiwanese families. Kids still gained talking skills, showing the model travels online and across cultures.
Plant et al. (2007) showed that adding shared pictures and goal cards can link home and school. The 1976 study lacked these common cues, which may explain why school gains were weak.
Why it matters
If you coach parents at home, add a school visit or shared visuals so the child sees the same cues in both places. Without that bridge, do not expect school talk to rise.
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Pick one object or picture the mom uses during practice and ask her to give the same item to the teacher so the cue shows up in class.
02At a glance
03Original abstract
Five parents of nonverbal children were trained in two home settings to modify antecedents and consequences to their children's vocalizations. Generalization effects of the parent training on both the parent's and children's behaviors under different stimulus conditions were investigated using multiple-baseline designs. Increases in parent prompting and reinforcing their children's vocalizations generalized only minimally to a new setting in the home where parent training had not occurred. Child increases in vocalizations produced by the parents in the training settings did generalize to this new setting in the home. There was minimal generalization of child vocalizations to a free-play setting at school. In a formal speech session conducted by a behavior specialist at school, only one child showed definite increases in acquisition rate as a function of the parents starting to train the sound at home.
Journal of applied behavior analysis, 1976 · doi:10.1901/jaba.1976.9-355