worksheet
Running head: DEVELOPMENTAL PSYCHOLOGY 2
DEVELOPMENTAL PSYCHOLOGY 2
Developmental Psychology
Jasmine Eaddy
The first article by Wang et al. (2019) examines whether developmental delays is a problem among toddlers in various subpopulation in China. The subpopulations involved account for about 69% of the total population of children in China. Out of the sample of 3353 toddlers, 85% of them were found to have at least one of the developmental delays indicated earlier. The second article is done by Schmeer et al. (2020) examines the toddler developmental delays that might be caused by maternal postpartum stress, particularly studied on racially diverse families. The results indicated that mothers that experienced stress were likely to affect their toddlers to have developmental delays. The study thus suggested psychosocial intervention as a way to minimize toddler developmental delays.
The first article by Wang et al. (2019) uses a sample population from only the rural areas. It does not incorporate toddlers from urban centers. Thus, this becomes a limitation because the sample population is not general and inclusive of the major factors. The credibility of the study would be excellent had it incorporated toddlers from both areas. In addition, the study does not give a solution to the problem, how parents or China should solve the problem at hand. On the other hand, the second article by Schmeer et al. (2020) about maternal postpartum stress as a major cause of toddler developmental delays has one limitation; that it does not include other variables or factors that might be contributing to the high number of developmental delays. Is maternal postpartum stress the only factor that can cause delays? No. thus the research should have included other factors such as diet or living standards to give more accurate findings and make the study more credible. Either way, the sample size of toddler populations used in both articles is substantial which makes the findings more credible. In addition, the data analysis techniques applied to make both articles to be credible.
Bias and limitations impact research through the distortion of results leading to wrong conclusions. This results in more costs used in correcting unnecessary and avoidable circumstances which could have been avoided by authors. Limitations also influence less expounding of issues such as the factors that influence developmental delays among infants. The article on toddler development issues in rural parts of China is biased through limiting research to rural areas excluding the urban areas. Therefore, the research can give detailed information however chances of learning out a bigger population is high, this leads to bias conclusions about infants and their developmental stages and problems in China and can be interpreted by others wrongly.
The second article on maternal postpartum stress's impact on toddler delays in development has limitations where one of them is that it uses one factor to determine the level of developmental delays and how postpartum stress affects it. The article on postpartum stress and its impact on developmental delays uses quantitative design and experimental research design. The second article is on researching infant and toddler developmental delays in the rural parts of China whether it is considered an issue or not. The research design used is a qualitative and observational research method to identify if the developmental growth and issues that surround it are an issue among rural residents in China. The research design used in both the case studies is fitting the appropriateness of the questions. The article that tackles maternal postpartum stress on toddler's delay in developmental stages has used its designs and methods to explain the impact through a case study with the help of quantitative correlational research design which gives detailed information about the participants of the case study.
The other article about infant and toddler delays in development in rural parts of China has used qualitative research design to express issues such as how, and what questions that might arise to enable the understanding of whether developmental stages are issues among the Chinese. The case study has earlier been identified to be biased due to the use of one case study, the rural team rather than incorporating the urban population in the research to conclude and reach a sound and final decision. The design applied in the Chinese case study is an observation method that explains the observations of the authors before concluding on the research question. The research designs and methods of the two articles on the toddler impact a better understanding and meet all the APA ethical principles that cover principles followed by psychologists and other teams.
References
Miller, L. E., Dai, Y. G., Fein, D. A., & Robins, D. L. (2021). Characteristics of toddlers with early versus later diagnosis of autism spectrum disorder. Autism, 25(2), 416-428.
Schmeer, K. K., Guardino, C., Irwin, J. L., Ramey, S., Shalowitz, M., & Dunkel Schetter, C. (2020). Maternal postpartum stress and toddler developmental delays: Results from a multisite study of racially diverse families. Developmental psychobiology, 62(1), 62-76.
Wang, L., Liang, W., Zhang, S., Jonsson, L., Li, M., Yu, C., & Rozelle, S. (2019). Are infant/toddler developmental delays a problem across rural China? Journal of Comparative Economics, 47(2), 458-469.