Social Background and the Demographic Life Course: Cross-National Comparisons 2021
DOI: 10.1007/978-3-030-67345-1_6
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Meta-Analysis and Meta-Regression: An Alternative to Multilevel Analysis When the Number of Countries Is Small

Abstract: Hierarchically nested data structures are often analyzed by means of multilevel techniques. A common situation in cross-national comparative research is data on two levels, with information on individuals at level 1 and on countries at level 2. However, when dealing with few level-2 units (e.g. countries), results from multilevel models may be unreliable due to estimation bias (e.g. underestimated standard errors, unreliable country-level variance estimates). This chapter provides a discussion on multilevel mo… Show more

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Cited by 7 publications
(5 citation statements)
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“…First, estimates of prevalence ratios and their standard errors were obtained for each country as described above. Second, pooled estimates across all countries were obtained by weighing country-specific prevalence ratios inversely by their standard errors, using a two-step meta-analytic approach [ 29 ] through the metan command in Stata. The analytical approach is commonly used in meta-analyses of separate studies, with the only difference being that the prevalence ratios had been generated in our own individual-level analyses.…”
Section: Methodsmentioning
confidence: 99%
“…First, estimates of prevalence ratios and their standard errors were obtained for each country as described above. Second, pooled estimates across all countries were obtained by weighing country-specific prevalence ratios inversely by their standard errors, using a two-step meta-analytic approach [ 29 ] through the metan command in Stata. The analytical approach is commonly used in meta-analyses of separate studies, with the only difference being that the prevalence ratios had been generated in our own individual-level analyses.…”
Section: Methodsmentioning
confidence: 99%
“…However, meta‐regression may lead to invalid conclusions and misleading findings when it is based on aggregated data (Geissbühler et al, 2020) and could be less accurate than individual subject level as a predictor (Berlin & Antman, 1994). Therefore, as recommended by Liefbroer and Zoutewelle‐Terovan (2021), individual subject levels analysis when dealing with variables at multiple levels was further conducted to investigate how education level moderated the effect of pedagogical approaches on learning performance. Table 4 further shows the effects of the interaction of pedagogical approaches with the fields of education on learning performance.…”
Section: Resultsmentioning
confidence: 99%
“…To test whether the integration paradox systematically depends on country-level conditions, as predicted by H4, I apply meta-regression techniques. This method is recommended above multilevel models with random slopes and cross-level interactions when the number of level-2 cases (in this case countries) is small, i.e., below 30 (Bryan & Jenkins, 2016;Liefbroer & Zoutewelle-Terovan, 2021). An additional advantage of this methodology is that it allows for a closer inspection and better visualization of model fit and country-level outliers.…”
Section: Resultsmentioning
confidence: 99%