Results 11 to 20 of about 1,900,338 (310)

Discrete prey-predator model with fear effect and strong Allee effect

open access: yesXi'an Gongcheng Daxue xuebao, 2023
The rich dynamic properties of a discrete prey-predator model with fear effect and strong Allee effect are studied. The piecewise constant argument method of differential equation is used to discretize the system, and the existence of equilibrium point ...
HU Xinli, LI Hanghang
doaj   +1 more source

Prey fear of a specialist predator in a tri-trophic food web can eliminate the superpredator

open access: yesFrontiers in Applied Mathematics and Statistics, 2022
We propose an intraguild predation ecological system consisting of a tri-trophic food web with a fear response for the basal prey and a Lotka–Volterra functional response for predation by both a specialist predator (intraguild prey) and a generalist ...
Nabaa Hassain Fakhry   +3 more
doaj   +1 more source

An intention to use mobile applications for medical supplies and equipment ordering in clinics

open access: yesFrontiers in Public Health, 2022
This research developed a mobile medical supplies and equipment ordering app (MMSEOA) model and attempted to validate it empirically. When customers (clinic doctors) make purchases on the app, two types of reasons can be identified: “reasons for” include
Anas A. Salameh
doaj   +1 more source

Pengaruh kepribadian neuroticism dan extraversion terhadap fear of missing out pada remaja [PDF]

open access: yes, 2023
Teenagers is individuals who are vulnerable to experiencing FoMO or fear of missing out. FoMO is a person’s concern about missing moment or activity with the people closest to them.
Ramadhani, Rivaldi Izza   +1 more
core   +1 more source

The Influence of Fear Effect to a Discrete-Time Predator-Prey System with Predator Has Other Food Resource

open access: yesMathematics, 2021
A discrete-time predator–prey system incorporating fear effect of the prey with the predator has other food resource is proposed in this paper. The trivial equilibrium and the predator free equilibrium are both unstable.
Jialin Chen, Xiaqing He, Fengde Chen
doaj   +1 more source

Fear and perceived likelihood of victimization in the traditional and cyber settings [PDF]

open access: yes, 2014
This study considers the influence of perceived likelihood, demographics (gender and education) and personality on fear of victimization and cyber-victimization using a survey design (N=159).
Jeske, Debora, Maddison, Jessica
core   +1 more source

Effects of Ketamine on Rodent Fear Memory [PDF]

open access: yesInternational Journal of Molecular Sciences, 2020
Ketamine, a multimodal anesthetic drug, has become increasingly popular in the treatment of pain following traumatic injury as well as treatment-resistant major depressive disorders. However, the psychological impact of this dissociative medication on the development of stress-related disorders such as post-traumatic stress disorder (PTSD) remains ...
Kwang H. Choi   +4 more
openaire   +2 more sources

A time-delayed predator-prey model with fear effect and stage structure

open access: yesXi'an Gongcheng Daxue xuebao, 2021
The stability of a predator-prey model with two-stage structure and fear effect was studied. This model incorporated maturation time delay of the prey, and a delay differential equation model was established.
Bairu LIU, Junli LIU, Pan LYU
doaj   +1 more source

Survival Analysis of a Predator–Prey Model with Seasonal Migration of Prey Populations between Breeding and Non-Breeding Regions

open access: yesMathematics, 2023
In this paper, we establish and study a novel predator–prey model that incorporates: (i) the migration of prey between breeding and non-breeding regions; (ii) the refuge effect of prey; and (iii) the reduction in prey pulse birth rate, in the form of a ...
Xiangjun Dai   +3 more
doaj   +1 more source

Who's afraid of the big bad wolf: a prospective paradigm to test Rachman's indirect pathways in children [PDF]

open access: yes, 2001
Rachman's theory [The conditioning theory of fear insition: a critical examination. Behav. Res. Ther. 15 (1977) 375–387] of fear acquisition suggests that fears and phobias can be acquired through three pathways: direct conditioning, vicarious learning ...
Ajzen   +56 more
core   +1 more source

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