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	<title>network psychometrics &#8211; Science</title>
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	<title>network psychometrics &#8211; Science</title>
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		<title>New 16-Item Scale Measures How Displaced People Mobilize Resources to Survive</title>
		<link>https://scienmag.com/new-16-item-scale-measures-how-displaced-people-mobilize-resources-to-survive/</link>
		
		<dc:creator><![CDATA[Glenn Wilkins]]></dc:creator>
		<pubDate>Fri, 16 Oct 2026 18:34:36 +0000</pubDate>
				<category><![CDATA[Psychology & Psychiatry]]></category>
		<category><![CDATA[development of resilience assessment tools]]></category>
		<category><![CDATA[displacement]]></category>
		<category><![CDATA[Displacement resource mobilization]]></category>
		<category><![CDATA[external stressors in refugee populations]]></category>
		<category><![CDATA[forced migration]]></category>
		<category><![CDATA[individual adaptive capacity in migration]]></category>
		<category><![CDATA[item response theory]]></category>
		<category><![CDATA[measurement invariance]]></category>
		<category><![CDATA[measuring adaptation in displaced persons]]></category>
		<category><![CDATA[network psychometrics]]></category>
		<category><![CDATA[post-migration challenges and mental health]]></category>
		<category><![CDATA[psychological distress and migration]]></category>
		<category><![CDATA[psychometric analysis of resilience scales]]></category>
		<category><![CDATA[psychometrics]]></category>
		<category><![CDATA[refugee mental health]]></category>
		<category><![CDATA[relational and institutional resilience factors]]></category>
		<category><![CDATA[resilience]]></category>
		<category><![CDATA[resilience in forced migration]]></category>
		<category><![CDATA[resource]]></category>
		<category><![CDATA[resource access for displaced populations]]></category>
		<category><![CDATA[resource mobilization]]></category>
		<category><![CDATA[scale development]]></category>
		<category><![CDATA[survival strategies of displaced people]]></category>
		<category><![CDATA[Turkish refugees]]></category>
		<guid isPermaLink="false">https://scienmag.com/?p=288318</guid>

					<description><![CDATA[...]]></description>
										<content:encoded><![CDATA[<p>&#8230;</p>
<p>&#8230;</p>
<p>The distinction between resilience as a dispositional trait and resilience as a process of mobilizing resources has become increasingly central to research on forced migration. Traditional instruments such as the Brief Resilience Scale were designed to capture an individual&#8217;s capacity to bounce back from adversity, a framing that assumes the primary challenge lies within the person rather than in the environment surrounding them. For displaced populations, however, the most salient stressors are often external: navigating unfamiliar bureaucratic systems, securing legal documentation, accessing healthcare, and negotiating rights that may not be clearly understood or easily claimed. The developers of the Displacement Resource Mobilization Scale argue that these relational and institutional dimensions deserve measurement in their own right, a position grounded in consistent evidence that post-migration difficulties predict psychological distress at least as strongly as exposure to traumatic events does. By building an instrument around resource mobilization rather than dispositional recovery, the scale shifts attention from what a person is to what a person can actually access and use.</p>
<p>The three-factor structure that emerged from the psychometric analysis offers a useful conceptual map for thinking about adaptation after displacement. The first factor, individual adaptive capacity, resembles conventional resilience constructs and captures personal coping resources. The second factor, support seeking and relational resource use, reflects the ability to identify, reach, and draw upon social networks, whether family, friends, or community ties. The third factor, service and rights navigation, is the most novel contribution: it measures the practical competence of engaging with institutions, understanding entitlements, and completing the procedural tasks that displacement imposes. That this dimension emerged independently through both exploratory and confirmatory approaches suggests it is not merely an artifact of item wording but a distinguishable domain of functioning that general resilience measures simply do not touch.</p>
<p>The statistical evidence supporting the scale is strongest in some areas and more cautious in others. Internal consistency estimates for the three factors, expressed as ordinal alpha values between 0.816 and 0.859, fall comfortably within acceptable ranges for research instruments. The correlated three-factor model achieved a comparative fit index of 0.952 and a root mean square error of approximation of 0.064 in the internal holdout subsample, figures that meet conventional thresholds for acceptable fit. Equally important is what the bifactor analysis revealed: with explained common variance of 0.496 and hierarchical omega of 0.694, the data did not support collapsing the sixteen items into a single total score. This is a meaningful finding for future users of the scale, because it indicates that the three dimensions carry sufficiently distinct information that averaging across them would obscure more than it reveals. Researchers adopting the instrument should therefore analyze and report the subscales separately rather than relying on an overall summary.</p>
<p>The two-week test-retest stability estimates, ranging from 0.578 to 0.647, fall below the conventional benchmark of 0.70 and warrant careful interpretation. Several considerations are relevant here. Short retest intervals with modest subsample sizes can produce attenuated stability coefficients, and factor scores derived from ordinal models are subject to estimation variability that raw scores are not. Nevertheless, the authors are transparent that this figure does not meet the standard threshold, and they position the scale accordingly: as a research instrument suited primarily to group-level description rather than individual-level assessment or outcome tracking. This honesty about limitations is consistent with contemporary measurement standards, which emphasize that preliminary validation is a stage in an ongoing process rather than a terminal verdict on an instrument&#8217;s worth.</p>
<p>Measurement invariance testing adds another layer of confidence to the findings. The absence of scalar invariance violations across the five grouping variables that could be examined suggests that the scale functions comparably across the subgroups tested, meaning that observed group differences in scores are more likely to reflect genuine differences in resource mobilization rather than artifacts of differential item functioning. For a population as heterogeneous as Turkish-literate Syrian, Afghan, and Iraqi adults in Istanbul and Ankara, this comparability is not trivial. Displaced communities differ in legal status, length of residence, language proficiency, and access to formal support systems, and an instrument that behaves differently across these groups would produce misleading comparisons.</p>
<p>The cross-sectional associations reported in the study are consistent with theoretical expectations. All three factors correlated positively with dispositional resilience and general self-efficacy, with the strongest association observed for adaptive capacity, the factor conceptually closest to traditional resilience constructs. The weaker but still positive correlations for support seeking and navigation suggest that these dimensions tap something related to but distinct from personal coping disposition. Longer residence in Türkiye and better Turkish comprehension were both associated with higher navigation scores, a pattern that makes intuitive sense: navigating services and claiming rights requires linguistic access and accumulated familiarity with institutional procedures. This finding also hints at the scale&#8217;s potential sensitivity to change over time, since language acquisition and institutional familiarity are precisely the kinds of variables that intervention programs and integration policies aim to influence.</p>
<p>The descriptive treatment of perceived stress and depressive symptoms deserves note. The authors report these correlations descriptively because the two comparison measures were almost uncorrelated with each other in the sample, an unexpected pattern that complicates straightforward interpretation of convergent validity. Rather than forcing a narrative onto unstable data, the study presents these results as preliminary observations to be clarified in future research with larger and more representative samples. This restraint reflects a broader principle in scale development: validity evidence accumulates gradually across studies, populations, and time points, and early claims of criterion validity built on anomalous comparison data would be premature.</p>
<p>The methodological architecture of the study merits attention for researchers planning similar work. Splitting the sample into calibration and internal holdout subsamples allowed the factor structure identified in one half of the data to be verified in the other, a form of internal cross-validation that guards against overfitting and capitalizing on chance. The combination of ordinal exploratory and confirmatory factor analysis, exploratory graph analysis, invariance testing, item response theory, and network psychometrics represents a comprehensive contemporary toolkit, one that goes well beyond the classical approaches that dominated earlier scale development. The use of face-to-face administration with snowball sampling, while pragmatic for reaching a population that is difficult to enumerate, also constrains generalizability, and the authors acknowledge that the sample is non-representative of Turkish-literate displaced adults more broadly.</p>
<p>The development process itself illustrates the value of mixed qualitative and quantitative groundwork. The reduction of an initial theory-derived pool of thirty-six items through a three-round modified Delphi review with eight experts, followed by cognitive interviews with twelve displaced adults, embeds the perspectives of both professional judges and the target population into the instrument&#8217;s design. Cognitive interviewing in particular serves a function that statistical item reduction cannot: it reveals whether respondents understand items as intended, whether culturally specific phrasing creates confusion, and whether the lived experience of displacement is faithfully represented in the item content. For instruments intended for vulnerable populations, this step is not optional refinement but essential safeguarding.</p>
<p>Looking forward, the authors identify several priorities that will determine whether the DRMS-16 matures into a widely usable instrument. Item revision may sharpen ambiguous content and improve stability estimates. External replication in independent samples, ideally with probability or quota sampling designs, would test whether the three-factor structure generalizes beyond Istanbul and Ankara. Cross-language validation would extend the scale beyond Turkish-literate respondents, a critical step given that language proficiency itself was associated with navigation scores and may therefore have shaped the sample in substantive ways. Evidence on responsiveness, meaning the scale&#8217;s sensitivity to change following interventions or policy shifts, would establish its utility for evaluating programs aimed at improving service access and rights awareness among displaced communities.</p>
<p>The broader significance of this work lies in its reframing of what mental health measurement should capture in displacement contexts. If post-migration difficulties rival trauma exposure as predictors of distress, then instruments that measure only internal coping capacity leave half the picture unmeasured. A scale that treats service navigation and rights claiming as measurable competencies opens the possibility of evaluating integration policies, humanitarian programs, and legal aid services with tools designed for exactly those outcomes. It also provides researchers with a way to test theoretical models in which institutional access functions as a pathway linking policy environments to individual wellbeing. As validation work continues, the DRMS-16 may prove valuable not only as a descriptive instrument but as a bridge between psychometric research and the practical machinery of migration support systems.</p>
<p><strong>Subject of Research:</strong> &#8230;</p>
<p><strong>Article Title:</strong> Resource mobilization under forced migration: development and preliminary internal validation of the Displacement Resource Mobilization Scale (DRMS-16)</p>
<p><strong>Article References:</strong> Çınar, Ö., Cengiz, E., Yıldız, E., Yıldız, S., &amp; Tosunoğlu Kusan, B. (2026). Resource mobilization under forced migration: development and preliminary internal validation of the Displacement Resource Mobilization Scale (DRMS-16). <em>BMC Psychology</em>. <a href="https://doi.org/10.1186/s40359-026-05807-5" rel="noopener noreferrer">https://doi.org/10.1186/s40359-026-05807-5</a></p>
<p><strong>Image Credits:</strong> AI Generated</p>
<p><strong>DOI:</strong> <a href="https://doi.org/10.1186/s40359-026-05807-5" rel="noopener noreferrer">10.1186/s40359-026-05807-5</a></p>
<p><strong>Keywords:</strong> forced migration, refugee mental health, psychometrics, scale development, resource mobilization, resilience, measurement invariance, item response theory, network psychometrics, Turkish refugees, displacement, Resource</p>
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		<post-id xmlns="com-wordpress:feed-additions:1">288318</post-id>	</item>
		<item>
		<title>Network Science Rebuilds Democracy Rankings and Exposes a Hidden Split in the Rule of Law</title>
		<link>https://scienmag.com/network-science-rebuilds-democracy-rankings-and-exposes-a-hidden-split-in-the-rule-of-law/</link>
		
		<dc:creator><![CDATA[Austin Grant]]></dc:creator>
		<pubDate>Sat, 12 Sep 2026 15:27:48 +0000</pubDate>
				<category><![CDATA[Social Science]]></category>
		<category><![CDATA[assessing deliberative quality and academic freedom]]></category>
		<category><![CDATA[bootstrap stability]]></category>
		<category><![CDATA[democracy indices]]></category>
		<category><![CDATA[democracy rankings and data modeling]]></category>
		<category><![CDATA[empirical analysis of democracy data]]></category>
		<category><![CDATA[expert-based democracy indicators]]></category>
		<category><![CDATA[Exploratory Graph Analysis]]></category>
		<category><![CDATA[exploratory graph analysis in political science]]></category>
		<category><![CDATA[fuzzy clustering]]></category>
		<category><![CDATA[Gaussian graphical models]]></category>
		<category><![CDATA[impact of network techniques on political science]]></category>
		<category><![CDATA[latent dimensions]]></category>
		<category><![CDATA[limitations of single democracy scores]]></category>
		<category><![CDATA[measuring rule of law and judicial independence]]></category>
		<category><![CDATA[methodological advances in political measurement]]></category>
		<category><![CDATA[Network analysis in democracy measurement]]></category>
		<category><![CDATA[network psychometrics]]></category>
		<category><![CDATA[nonparanormal model]]></category>
		<category><![CDATA[rule of law]]></category>
		<category><![CDATA[social indicators research]]></category>
		<category><![CDATA[Spearman correlation]]></category>
		<category><![CDATA[uncovering hidden splits in democratic regimes]]></category>
		<category><![CDATA[V-Dem]]></category>
		<category><![CDATA[Varieties of Democracy dataset]]></category>
		<guid isPermaLink="false">https://scienmag.com/?p=195891</guid>

					<description><![CDATA[A robust network analysis of expert-coded democracy data reveals that a core rule-of-law index secretly contains two empirically distinct dimensions of governance.]]></description>
										<content:encoded><![CDATA[<p>Democracy is one of the most closely watched quantities in the world, yet it has never been directly observable. Every democracy ranking that flashes across headlines rests on a delicate chain of expert judgments, statistical modeling and aggregation decisions, and scientists have long debated whether the tidy theoretical structure of democracy indices actually matches the messy empirical reality hidden inside the data. A new study published in Social Indicators Research tackles that question head-on with a battery of network techniques, and its results are likely to unsettle anyone who treats a single democracy score as an unambiguous summary of a political regime.</p>
<p>The research, conducted by Domenico Cangemi and Livia De Giovanni of LUISS Università di Roma together with Pierpaolo D&#8217;Urso and Vincenzina Vitale of Sapienza Università di Roma, applies an enhanced form of Exploratory Graph Analysis, or EGA, to the Varieties of Democracy dataset, the most ambitious expert-based measurement project in political science. V-Dem covers more than 600 indicators annually from 1789 to the present, drawing on evaluations from a pool of more than 4,200 country specialists who assess concepts that no official statistic can capture, such as academic freedom, judicial independence and the deliberative quality of public reasoning. For each country-year observation, the project typically collects assessments from five experts and feeds them into a Bayesian measurement model that estimates the reliability of each coder, corrects for systematic differences in how experts interpret response scales, and produces interval-level latent estimates together with credible regions that express measurement uncertainty.</p>
<p>From this vast apparatus the researchers selected 37 interval-valued indicators covering 179 countries in 2024, indicators that V-Dem&#8217;s theory organizes into five high-level principles of democracy: electoral, liberal, participatory, deliberative and egalitarian. These principles are operationalized through indices such as the Electoral Democracy Index, which combines clean elections with freedom of expression, association and universal suffrage, the Liberal Component Index, which captures judicial and legislative constraints on executive power, the Participatory Component Index, which measures civil society engagement and direct democracy, the Deliberative Component Index, which gauges whether decisions emerge from public reasoning oriented toward the common good, and the Egalitarian Component Index, which tracks equal access to political power and resources across social groups.</p>
<p>The core question was simple to state and hard to answer: does the empirically observed dependence among these 37 indicators reproduce the theoretically defined five-dimension structure, or does the data tell a different story? To find out, the team turned to EGA, a network psychometrics method in which variables appear as nodes and their conditional associations as edges, so that latent dimensions emerge as communities of densely connected nodes. The standard pipeline estimates a Gaussian Graphical Model using the graphical LASSO, a regularization technique that shrinks small partial correlations to zero, and then applies the Walktrap community detection algorithm, which finds clusters through random walks that preferentially traverse strong edges. The trouble is that this machinery quietly assumes multivariate normality, and political indicators are anything but normal. Measures of democracy remain substantially skewed or heavy-tailed across countries, and under such conditions the Pearson correlation matrix, the workhorse input of the standard method, can distort the estimated network and with it the recovered dimensions.</p>
<p>The study&#8217;s first methodological innovation addresses exactly this weakness. The authors replace the Pearson matrix with a nonparanormal estimator, a semiparametric device that treats each observed variable as a monotone transformation of a latent Gaussian variable, thereby preserving a Gaussian copula while allowing the marginals to take almost any shape. Under this model, the latent Gaussian correlation can be recovered directly from Spearman rank correlations through a trigonometric transformation, and this identity survives any strictly increasing rescaling of the data. In simulation experiments with three true latent dimensions and deliberately skewed, heavy-tailed marginals, the contrast was striking. At sample sizes of 50 and 100, the Pearson-based routine repeatedly failed to recover the correct number of dimensions, over-extracting four or more communities in 46 and 38 of 100 replications respectively, while the nonparanormal approach recovered the true three-dimensional structure nearly perfectly. Even at 500 observations the Pearson method still misclassified a variable, whereas the rank-based method did not.</p>
<p>Robustness to non-normality, however, solves only half the problem. A single EGA solution delivers a crisp partition of variables into communities, but both the estimated network and the resulting community assignments can wobble under small perturbations of the data, a concern that has shadowed network psychometrics since studies showed that psychopathology symptom networks can have limited replicability. The second innovation therefore wraps the analysis in a bootstrap. The team generated 500 synthetic datasets from a multivariate normal distribution built on the estimated nonparanormal correlation matrix, ran EGA on each, and then summarized the ensemble of 500 partitions through a co-association matrix, whose entries record the proportion of replications in which each pair of indicators landed in the same community. This consensus matrix is invariant to arbitrary relabeling of communities across runs, preserving the full ensemble information rather than reducing it to per-item stability scores.</p>
<p>Instead of forcing the consensus structure back into a crisp partition, the researchers applied Non-Euclidean Fuzzy Relational Clustering, an algorithm that works directly on the dissimilarity matrix derived from the co-association counts and produces fuzzy memberships, allowing each indicator to belong partially to several latent dimensions. Indicators with one dominant membership can be read as stable core components of a dimension, while those with distributed memberships flag genuine ambiguity or conceptual overlap. The authors are careful to stress that fuzziness is not necessarily a sign of model failure; it can reveal systematic cross-dimensional association that a binary assignment would simply erase.</p>
<p>When the full pipeline ran on the 2024 V-Dem data, the nonparanormal version identified five latent dimensions, exactly matching the theoretical classification, while the Pearson-based routine produced six and scored lower against the theory-based reference partition on the Adjusted Rand Index. The fuzzy pipeline built on the nonparanormal consensus achieved the highest fuzzy agreement of all tested variants. Most indicators behaved as theory predicted: all nine freedom of expression indicators clustered together, all five deliberative component indicators stayed intact, and most judicial constraint indicators formed a coherent group. But two findings stood out. First, freedom of religion, which V-Dem classifies under equality before the law, attached itself empirically to the freedom of expression cluster, consistent with the idea that countries suppressing religious practice tend also to suppress media and civil liberties. Second, and more substantively, the algorithm split V-Dem&#8217;s Equality before the Law and Individual Liberty index, which theory treats as a single construct, into two sharply distinct dimensions: one gathering institutional constraints on state behavior, including access to justice, freedom from torture, freedom from political killings, impartial administration and transparent law enforcement, and the other gathering individual freedoms with a pronounced gender component, including property rights, freedom of domestic movement and freedom from forced labor for men and women, alongside women&#8217;s civic participation.</p>
<p>That split carries a provocative implication: the rule-of-law securities a state provides and the personal freedoms its citizens actually experience do not necessarily move together. A regime may protect institutional legality while individual and gender-specific liberties lag behind, and the conventional index aggregates these divergent profiles into a single number, conflating regimes that are empirically quite different. Four indicators also emerged as fuzzy, including freedom of foreign movement, whose nearly uniform membership across all dimensions reflects how exit restrictions intertwine civil liberty, judicial transparency and political control at once. The authors propose practical consequences: index users could weight ambiguous indicators by their membership values, treat near-uniform ones as bridging indicators to be monitored separately, and compare regimes at the level of empirically recovered dimensions rather than relying solely on theoretical aggregation. The recovered structure survived sensitivity checks, holding when the community detection algorithm was swapped for Louvain or Leiden, when the fuzziness parameter varied, and largely when an alternative fuzzy clustering method was used. The team frames the rule-of-law split as an empirical suggestion worthy of dedicated investigation rather than an established property of governance, but the message for the growing industry of democracy monitoring is clear: behind every headline number lies a dimensional structure, and that structure, examined with the right statistical tools, can tell stories the headline number conceals.</p>
<p><strong>Subject of Research:</strong> Robust network psychometric methods for recovering latent dimensions in cross-national democracy measurements</p>
<p><strong>Article Title:</strong> Recovering Latent Dimensions in Cross-National Democracy Measurements Through Robust Exploratory Graph Analysis</p>
<p><strong>Article References:</strong> Cangemi, D., D’Urso, P., De Giovanni, L., &amp; Vitale, V. (2026). Recovering Latent Dimensions in Cross-National Democracy Measurements Through Robust Exploratory Graph Analysis. <em>Social Indicators Research, 184</em>(2), Article 41. <a href="https://doi.org/10.1007/s11205-026-03929-2" rel="noopener noreferrer">https://doi.org/10.1007/s11205-026-03929-2</a></p>
<p><strong>Image Credits:</strong> AI Generated</p>
<p><strong>DOI:</strong> <a href="https://doi.org/10.1007/s11205-026-03929-2" rel="noopener noreferrer">10.1007/s11205-026-03929-2</a></p>
<p><strong>Keywords:</strong> Exploratory Graph Analysis, V-Dem, democracy indices, nonparanormal model, network psychometrics, fuzzy clustering, Gaussian graphical models, rule of law, Spearman correlation, bootstrap stability, latent dimensions, Social Indicators Research</p>
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