Background Parental insightfulness underlies parental sensitive behavior and is associated with secure attachment among Typically Developing (TD) children and also among children with Autism Spectrum Disorder (ASD). Moving beyond the parent–child dyad, a study of TD children and their parents linked mothers' and fathers' combined insightfulness to triadic interactions. The goal of the current study was to examine this association in families with children with ASD. The hypothesis was that the interactions in families in which both parents are insightful will be more cooperative than in families in which only one or neither parent was insightful. Methods Eighty preschooler boys with ASD and both of their parents participated in the study. Parental insightfulness was assessed employing the Insightfulness Assessment (IA) and mother–father–child interactions were observed and coded employing the Lausanne Triadic Play (LTP) procedure. Results As expected, families in which both parents were insightful displayed higher parental coordinated support in the LTP than families in which one or neither parent was insightful, controlling for children's IQ and severity of symptoms. Children's engagement with their parents was associated with their IQ and severity of symptoms but not with parental insightfulness. Conclusions The importance of considering paternal, in addition to maternal insightfulness as a foundation for parental coordinated support in family interactions, is discussed, as well as the contribution of the LTP in assessing family interactions with children diagnosed with ASD.

Most studies of how parents of children with autism view the parent–child relationship used self-report questionnaires and focused on challenges. This study broadened the lens by interviewing parents using open-ended questions that provide an opportunity to raise challenging but also positive experiences. Seventy-five mother–father dyads were interviewed individually about their own and their spouses’ relationships with their preschooler, and content analyses of their responses revealed nine relationship themes. In descending order, the themes mentioned most frequently by mothers were “Security and Closeness,” “Love,” and “Tenderness and Sensitivity,” and by fathers were “Pleasure in Joint Activities,” “Security and Closeness,” and “Guidance.” Positive themes were more common than challenging themes. Finally, more mothers mentioned the themes “Love,” “Tenderness and Sensitivity,” “High Involvement and Care,” and “Difficulties” than did fathers, whereas more fathers mentioned the themes “Guidance,” “Pleasure in Joint Activities,” and “Limited Time with Child” than did mothers. The findings portray a nuanced view of the parenting experience of mothers and fathers of preschoolers with autism. Lay Abstract Most studies of how parents of children with autism see the parent–child relationship used questionnaires completed by the parents and focused on challenges. This study broadened the lens by interviewing parents using open-ended questions that provide an opportunity to raise challenging but also positive experiences. Seventy-five mother-father dyads were interviewed individually about their own and their spouses’ relationships with their preschooler, and we found nine relationship themes. In descending order, the themes mentioned most frequently by mothers were “Security and Closeness,” “Love,” and “Tenderness and Sensitivity,” and by fathers were “Pleasure in Joint Activities,” “Security and Closeness,” and “Guidance.” Positive themes were more common than challenging themes. Finally, more mothers mentioned the themes “Love,” “Tenderness and Sensitivity,” “High Involvement and Care,” and “Difficulties” than did fathers, whereas more fathers mentioned the themes “Guidance” and “Pleasure in Joint Activities” than did mothers. The findings portray a nuanced view of the parenting experience of mothers and fathers of preschoolers with autism.

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