ABSTRACT The main purpose of this study was to investigate developmental differences in Korean infants based on parenting knowledge and parental caregiving anxiety experienced during the COVID-19 pandemic. The study targeted infants aged 0 to 42 months residing in S City, Gyeonggi Province, South Korea.Frequency analysis was conducted to examine the general characteristics of the study participants, and Cronbach’s α was calculated to assess the reliability of the measurement tools. Cross-tabulation analyses were performed to address research questions, and when cells had expected frequencies of less than 5 and accounted for more than 25% of the total, Fisher-Freeman-Halton exact tests were applied. Subsequently, Bonferroni tests were conducted as nonparametric post-hoc tests when significant differences were identified.The summarized results of the analysis based on the research questions are as follows:Firstly, regarding the differences in developmental levels of infants according to parenting knowledge, a significant difference was found in the social-emotional development domain of children. Secondly, concerning the differences in developmental levels of infants based on parental caregiving anxiety, significant differences were observed in the language and social-emotional domains.These results are expected to help raise awareness of the importance of parental psychological factors children’s language development, beyond just parental caregiving anxiety. It is anticipated that this will serve as a meaningful foundational study for understanding the influence of various psychological factors of parents on their children’s language development.
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