Studies on the effectiveness of TA for adults and adolescents have had positive results. Such as a study in Tehran, where 40 adolescent girls were divided into an experimental group and a control group. “The results showed a significant effect on parent-child relationships in adolescence, compared with the control group.”[47] A similar, larger study, consisting of 200 individuals (100 of them in the control group), concluded that TA was effective in adolescents to facilitate self-identifying ego-states that operate during problem situations and revealed that the impact of TA is positive in reducing the depression and aggression among adolescents.[48] Parents and children with TA skills have a better awareness and increased understanding of others. Finally, a study involving women on methadone was examined, which concluded that group therapy using TA was effective in reducing addiction intensity.[49] This addiction study has further practical applications regarding parent/child attachment theory. Promoting attachment-theory that highlights the need for promoting the mother/child bond is key. Children who lack this kind of connection with those responsible for them are very difficult to parent or, often, even to teach. Only the attachment relationship can provide the proper context for child-rearing.”[50]

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Gestalt language, from which TA is built, has been used with parents and teachers for many years. It makes sense to me, so I provided an excerpt from a gestalt book. It may not be 5-year-old language, but it explains the fantasy thinking that happens, generally, with all kids. I have a 15-year-old son who is on the spectrum, so I understand the need for simple language. I use TA with my son, but this language, the language of gestalt, is slightly above his memory capability. It is best to explain psychological truths to children in terms they can understand.