Han De Vries
Biographic Data
| ID | 3708997 |
|---|---|
| NAME | Han De Vries |
| GIVEN NAMES | Han |
| FAMILY NAME | De Vries |
| SIGNATURE | DE VRIES H |
| AFFILIATIONS | Utrecht University |
| VERIFIED | No |
| TOTAL WORKS | 19 |
| TOTAL CITATIONS | 49 |
| AUTHOR COUNT | 19 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1995 |
| LATEST PUBLICATION YEAR | 2019 |
| H-INDEX | 3 |
Determining overweight and underweight with a new weight‐for‐height index in captive group‐housed macaques
Housing primates in naturalistic groups provides social benefits relative to solitary housing. However, food intake may vary across individuals, possibly resulting in overweight and underweight individuals. Information on relative adiposity (the amount of fat tissue relative to body weight) is needed to monitor overweight and underweight of group‐housed individuals. However, the upper and lower relative adiposity boundaries are currently only kno…
Effect of repeated exposures and sociality on novel food acceptance and consumption by orangutans
Behavioral, Ecological, and Evolutionary Aspects of Meat-Eating by Sumatran Orangutans (Pongo abelii)
Meat-eating is an important aspect of human evolution, but how meat became a substantial component of the human diet is still poorly understood. Meat-eating in our closest relatives, the great apes, may provide insight into the emergence of this trait, but most existing data are for chimpanzees. We report 3 rare cases of meat-eating of slow lorises, Nycticebus coucang, by 1 Sumatran orangutan mother-infant dyad in Ketambe, Indonesia, to examine h…
Nest-Building by Chimpanzees (Pan troglodytes verus) at Seringbara, Nimba Mountains: Antipredation, Thermoregulation, and Antivector Hypotheses
Stability and Change of Social Relationship Quality in Captive Chimpanzees (Pan troglodytes)
Violent phenotype in SAL mice is inflexible and fixed in adulthood
Violence was shown to be qualitatively different from functional hyper‐aggression in mice selected for high aggression namely Short Attack Latency (SAL), Turku Aggressive (TA) and North Carolina (NC900) strains. This study aimed at investigating whether this adulthood violent phenotype as seen previously in the SAL mice is fixed and hence behaviorally inflexible right from day 1 of the experiment or consequential , i.e., subject to gradual change…
Geographic variation in Thomas langur ( Presbytis thomasi ) loud calls
Geographic variation in primate vocalizations has been described at two levels. First, at the level of acoustic variation within the same call type between populations and, second, at the level of presence or absence of certain call types in different populations. Acoustic variation is of interest because there are several factors that can explain this variation, such as gene flow, ecological factors and population density. Here we focus on the f…
Green Light for Nocturnally Migrating Birds
Poot, H., B. J. Ens, H. de Vries, M. A. H. Donners, M. R. Wernand, and J. M. Marquenie. 2008. Green light for nocturnally migrating birds. Ecology and Society 13(2): 47. https://doi.org/10.5751/ES-02720-130247
Using Pooled Kappa to Summarize Interrater Agreement across Many Items
We propose the pooled estimator of kappa, an efficient estimator when summarizing the interrater agreement for qualitative data with many items but few subjects. We evaluate this estimator through a simulation of proposed and alternative (average kappa) estimators and subsequently apply our method to calculate pooled and average kappas over 2,176 rated items from six semistructured interviews with sponsors of the CAHPS. The proposed pooled kappa …
Sex Differences in the Steepness of Dominance Hierarchies in Captive Bonobo Groups
Social structures in Pan paniscus: Testing the female bonding hypothesis
Measuring and testing the steepness of dominance hierarchies
Peering is not a formal indicator of subordination in bonobos (Pan paniscus)
It has been suggested that peering behavior in bonobos is a formal signal acknowledging social dominance status. We investigated whether peering meets the published criteria for a formal signal of subordination in five captive groups of bonobos. The degree of linearity in the set of peering relationships was significantly high in all study groups, and a linear rank order was found. However, unidirectionality was low, and there was little correspo…
Rank and grooming reciprocity among females in a mixed‐sex group of captive hamadryas baboons
In a mixed‐sex, captive group of hamadryas baboons ( Papio hamadryas hamadryas ) we investigated whether female grooming relationships are affected by their dominance ranks. Seyfarth’s [1977] grooming for support model and Barrett et al.’s [1999] biological market model both predict that in primate groups where competition for monopolizable resources is high, grooming among females is based, at least partly, on the interchange of grooming for ran…
Function and distribution of coalitions in captive bonobos (Pan paniscus)
Finding a dominance order most consistent with a linear hierarchy: A new procedure and review
An improved test of linearity in dominance hierarchies containing unknown or tied relationships
Behavior of conduct disordered children in interaction with each other and with normal peers
Differences between conduct disordered and normal control children in their tendencies to escalate or neutralize conflicts when interacting with normal peers
Nest-Building by Chimpanzees (Pan troglodytes verus) at Seringbara, Nimba Mountains: Antipredation, Thermoregulation, and Antivector Hypotheses
Using Pooled Kappa to Summarize Interrater Agreement across Many Items
We propose the pooled estimator of kappa, an efficient estimator when summarizing the interrater agreement for qualitative data with many items but few subjects. We evaluate this estimator through a simulation of proposed and alternative (average kappa) estimators and subsequently apply our method to calculate pooled and average kappas over 2,176 rated items from six semistructured interviews with sponsors of the CAHPS. The proposed pooled kappa …
Sex Differences in the Steepness of Dominance Hierarchies in Captive Bonobo Groups
Green Light for Nocturnally Migrating Birds
Poot, H., B. J. Ens, H. de Vries, M. A. H. Donners, M. R. Wernand, and J. M. Marquenie. 2008. Green light for nocturnally migrating birds. Ecology and Society 13(2): 47. https://doi.org/10.5751/ES-02720-130247
Stability and Change of Social Relationship Quality in Captive Chimpanzees (Pan troglodytes)
Violent phenotype in SAL mice is inflexible and fixed in adulthood
Violence was shown to be qualitatively different from functional hyper‐aggression in mice selected for high aggression namely Short Attack Latency (SAL), Turku Aggressive (TA) and North Carolina (NC900) strains. This study aimed at investigating whether this adulthood violent phenotype as seen previously in the SAL mice is fixed and hence behaviorally inflexible right from day 1 of the experiment or consequential , i.e., subject to gradual change…
An improved test of linearity in dominance hierarchies containing unknown or tied relationships
Behavior of conduct disordered children in interaction with each other and with normal peers
Differences between conduct disordered and normal control children in their tendencies to escalate or neutralize conflicts when interacting with normal peers
Finding a dominance order most consistent with a linear hierarchy: A new procedure and review
Function and distribution of coalitions in captive bonobos (Pan paniscus)
Rank and grooming reciprocity among females in a mixed‐sex group of captive hamadryas baboons
In a mixed‐sex, captive group of hamadryas baboons ( Papio hamadryas hamadryas ) we investigated whether female grooming relationships are affected by their dominance ranks. Seyfarth’s [1977] grooming for support model and Barrett et al.’s [1999] biological market model both predict that in primate groups where competition for monopolizable resources is high, grooming among females is based, at least partly, on the interchange of grooming for ran…
Peering is not a formal indicator of subordination in bonobos (Pan paniscus)
It has been suggested that peering behavior in bonobos is a formal signal acknowledging social dominance status. We investigated whether peering meets the published criteria for a formal signal of subordination in five captive groups of bonobos. The degree of linearity in the set of peering relationships was significantly high in all study groups, and a linear rank order was found. However, unidirectionality was low, and there was little correspo…
Social structures in Pan paniscus: Testing the female bonding hypothesis
Measuring and testing the steepness of dominance hierarchies
Sex Differences in the Steepness of Dominance Hierarchies in Captive Bonobo Groups
Geographic variation in Thomas langur ( Presbytis thomasi ) loud calls
Geographic variation in primate vocalizations has been described at two levels. First, at the level of acoustic variation within the same call type between populations and, second, at the level of presence or absence of certain call types in different populations. Acoustic variation is of interest because there are several factors that can explain this variation, such as gene flow, ecological factors and population density. Here we focus on the f…
Green Light for Nocturnally Migrating Birds
Poot, H., B. J. Ens, H. de Vries, M. A. H. Donners, M. R. Wernand, and J. M. Marquenie. 2008. Green light for nocturnally migrating birds. Ecology and Society 13(2): 47. https://doi.org/10.5751/ES-02720-130247
Using Pooled Kappa to Summarize Interrater Agreement across Many Items
We propose the pooled estimator of kappa, an efficient estimator when summarizing the interrater agreement for qualitative data with many items but few subjects. We evaluate this estimator through a simulation of proposed and alternative (average kappa) estimators and subsequently apply our method to calculate pooled and average kappas over 2,176 rated items from six semistructured interviews with sponsors of the CAHPS. The proposed pooled kappa …
Violent phenotype in SAL mice is inflexible and fixed in adulthood
Violence was shown to be qualitatively different from functional hyper‐aggression in mice selected for high aggression namely Short Attack Latency (SAL), Turku Aggressive (TA) and North Carolina (NC900) strains. This study aimed at investigating whether this adulthood violent phenotype as seen previously in the SAL mice is fixed and hence behaviorally inflexible right from day 1 of the experiment or consequential , i.e., subject to gradual change…
Behavioral, Ecological, and Evolutionary Aspects of Meat-Eating by Sumatran Orangutans (Pongo abelii)
Meat-eating is an important aspect of human evolution, but how meat became a substantial component of the human diet is still poorly understood. Meat-eating in our closest relatives, the great apes, may provide insight into the emergence of this trait, but most existing data are for chimpanzees. We report 3 rare cases of meat-eating of slow lorises, Nycticebus coucang, by 1 Sumatran orangutan mother-infant dyad in Ketambe, Indonesia, to examine h…
Nest-Building by Chimpanzees (Pan troglodytes verus) at Seringbara, Nimba Mountains: Antipredation, Thermoregulation, and Antivector Hypotheses
Stability and Change of Social Relationship Quality in Captive Chimpanzees (Pan troglodytes)
Effect of repeated exposures and sociality on novel food acceptance and consumption by orangutans
Determining overweight and underweight with a new weight‐for‐height index in captive group‐housed macaques
Housing primates in naturalistic groups provides social benefits relative to solitary housing. However, food intake may vary across individuals, possibly resulting in overweight and underweight individuals. Information on relative adiposity (the amount of fat tissue relative to body weight) is needed to monitor overweight and underweight of group‐housed individuals. However, the upper and lower relative adiposity boundaries are currently only kno…
Biology (14 works) · Primate Behavior and Ecology (12 works) · Psychology (12 works) · Animal Behavior and Reproduction (9 works) · Ecology (8 works) · Social Psychology (8 works) · Animal ecology (7 works) · Aggression (6 works) · Mathematics (6 works) · Zoology (6 works)