Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 75 for “"covariation"”.
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Meaning naturally--a partial defense of covariation semantics
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Linguistics and Philosophy, 1990.
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Essays on economic value of intraday covariation estimators for risk prediction
This thesis investigates the economic value of incorporating intraday volatility estimators into the volatility forecasting process. The increased reliance on volatility forecasting in the nancial industry has intensied the need for more rigorous analysis from an economic perspective instead of …
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Essays on the economic value of intraday covariation estimators for risk prediction
This thesis investigates the economic value of incorporating intraday volatility estimators into the volatility forecasting process. The increased reliance on volatility forecasting in the financial industry has intensified the need for more rigorous analysis from an economic perspective instead of …
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A multidisciplinary investigation of underlying pathways in ADHD: A study of ADHD genes, endophenotypes and phenotypes
… autistic-like traits (ALTs) largely underlie the covariation of ADHD behaviours and ALTs (chapter 5), and observed significant phenotypic and genetic covariation between RTV and social ALTs. In chapter 6, we investigated the aetiological covariation of ADHD and dysregulation of the …
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Consensus Information in the Newspaper Advice Columns
… three information variables in Kelley's (1967) covariation model of attribu tion. Newspaper advice columns were used as a naturalistic source of social data.</p><p>The first question addressed in this study was whether or not Kelley's (1967) three information variables are ecologically valid. If …
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Untersuchung zur Bedeutung von Bewegungsangst bei chronischen Rückenschmerzen
… bewährt haben: das Startle-Paradigma und der Covariation Bias. Dabei reflektiert die Startle-Reaktion (die Ableitung des Schreckreflexes am Augenmuskel) die Aktivierung des neuronalen Vermeidungs-/Fluchtsystems und gibt Aufschluss über die emotionale Situation, in der sich eine Person …
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US strategic retrenchment and security-seeking behaviors of the US allies in Northeast Asia
… to this theory, it is hypothesized that there is covariation between the level of a regional state’s security concern and the scope of its domestic drives to increase societal contribution to autonomous defense posture. It also hypothesizes the existence of covariation between the level of a …
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Using multivariate calibration to evaluate hominin brain/body size relationships
… genetic drift at different times. Their genetic covariation is low; this trait is also subject to selection so the amount of covariation can change throughout time. Taken together, these results suggest a complicated relationship between brain size and body size. Both traits were probably …
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Distributivity across domains : a study of the distributive numerals in Bangla
… Conventionally the phenomenon is called covariation. A distributivity operator is such that it allows this formal relationship to hold in its scope. I argue that examples involving ditransitives provide clear evidence for such an analysis. Apart from this, I discuss that the different …
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Novel Applications of Multivariate Methods for Exploring Personality in African Elephants
… the angular differences among major axes of covariation from the ordinations of subsets to determine if the behaviors that defined personalities differed by age class. I also defined personalities by centroids (in multidimensional space) for non-metric multidimensional scaling (NMDS) scores …
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Bootstrapping new knowledge from abstract representations
… in which children observe firsthand the covariation between parts of a causal system, or can intervene directly on the system in order to test and refine their hypotheses. While these studies point to impressive inferential abilities, both formal science and everyday reasoning also …
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A Sociolinguistic Survey of (t,d) deletion, (t) glottaling, and their intersection in East Anglian English
… It also investigates, for the first time, the covariation between the two linguistic variables by exploring the intersection of (t) deletion and (t) glottaling in word-final consonant clusters (e.g. different). (t,d) deletion has been largely investigated in US English dialects, yet it has …
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A new theoretical treatment of pathogen and host evolution
… pathogen evolution. In particular, two kinds of covariation between traits emerge as important: covariance across the population (what is usually measured), and covariance between random variables within an individual. I show that these different kinds of trait covariation can be of opposite sign …
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Progress Towards Integrated Models of HCV Dynamics
… proteins. Some of the challenges to the study of covariation in HCV MSAs were identified, and we describe a novel method of calculating covariation which addresses some of these issues, particularly the problem of phylogenetic covariance. While an integrated dynamic model of HCV remains far from …
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Miery závislosti pre náhodné veličiny s nekonečnými rozptylmi
… generalized Cauchy distribution. In the case of covariation, there is a discussion about the possible extension of this depen- dence measure to the Cauchy distribution, since in general this measure is defined only for certain types of stable distributions. The second dependence measure, …
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Harsh and variable ecological conditions modulate the relationship between social structure and direct fitness in a plurally breeding small mammal
… explanations for social structure-direct fitness covariation.
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Differences in Performance in Mental Rotation and Short-Term Free Recall in Gender Minorities
… possible covariate, but analyses did not support covariation. Transgender binary and non-binary groups outperformed men and women in mental rotation and short-term free recall, but binary transgender and non-binary individuals were not different in their performance. Mental rotation accuracy and …
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