Growth and Size Variation in Contrasting Populations of Trout Salmo trutta: An Experimental Study on the Role of Natural Selection

10.2307/4985 ◽  
1989 ◽  
Vol 58 (1) ◽  
pp. 45 ◽  
Author(s):  
J. M. Elliott
Keyword(s):  
Experimental Study ◽  
Natural Selection ◽  
Salmo Trutta ◽  
Size Variation

Medic Interaction Modes and Hospitalized Children Health

2019 ◽  
Author(s):  
Naveed Shibli ◽  
Miss Shehrish Farooq
Keyword(s):  
Experimental Study ◽  
Health Outcomes ◽  
Block Design ◽  
Pain Scale ◽  
Hospitalized Children ◽  
Face Pain ◽  
Children Health ◽  
Face Pain Scale

<p></p><p>In the present experimental study different interaction ‘modes’ those took place between a psychologist and a child were tested for the role of these towards health recovery of the child? Following were the interaction modes, a) presenting a flower with smile plus inquiring about health, b) offering a blessing plus inquiring about health, c) making an indifferent presence plus inquiring about health with flat tone, d) inquiring about health with providing precautions about prognosis. It was assumed that all modes would differently influence health outcomes? 100 hospitalized children located in child wards of different hospitals with randomized pre-post block design interacted. One each from four interaction modes was used for a group of 25 participants each. Actual ward discharge was compared with anticipatory estimated by each ward in-charge to calculate effect of mode on outcome. Face Pain Scale, The Children Happiness Scale and a Demographic Sheet were also used. Results reflected ‘modes’ relationship with outcomes. More studies would clarify further.</p><br><p></p>

The influence of information relevance on the continued influence effect of misinformation

2020 ◽  
Author(s):  
Hua Jin ◽  
Lina Jia ◽  
Xiaojuan Yin ◽  
Shilin Wei ◽  
Guiping Xu
Keyword(s):  
Experimental Study ◽  
Questionnaire Survey ◽  
Personal Involvement ◽  
Influence Effect ◽  
Information Relevance ◽  
Different Types ◽  
Role Of Information

Misinformation often continues to influence people’s cognition even after corrected (the ‘continued influence effect of misinformation’, the CIEM). This study investigated the role of information relevance in the CIEM by questionnaire survey and experimental study. The results showed that information with higher relevance to the individuals had a larger CIEM, indicating a role of information relevance in the CIEM. Personal involvement might explain the effects of information relevance on the CIEM. This study provides insightful clues for reducing the CIEM in different types of misinformation and misinformation with varying relevance.

Breathing and its stimulatory responses in parkinsonism: repercussions for physiotherapy

2020 ◽  
Author(s):  
Mieczyslaw Pokorski
Keyword(s):  
Experimental Study ◽  
Chronic Hypoxia ◽  
Motor Impairments

This study addresses respiratory and motor impairments in an experimental reserpine-induced model of parkinsonism in rats. The role of chronic hypoxia due to diminished ventilation in the development and course of neurodegeneration is addressed. An attempt was made to distinguish between central and peripheral dopamine pathways in the mechanisms of neurodegeneration. A dissociation of putative mechanisms of respiratory and motor impairments is tackled as well. Although this purely experimental study cannot be directly extrapolated to human pathophysiology, the corollaries have been drawn concerning the potential repercussions of the respiratory and motor impairments for the physiotherapeutic procedures in the management of chronic neurodegeneration.

External Investigators' Follow-Up Intentions When Whistleblowers Report Healthcare Fraud: The Effects of Report Anonymity and Previous Confrontation

2020 ◽  
Vol 32 (2) ◽  
pp. 91-101
Author(s):  
Steven E. Kaplan ◽  
Danny Lanier ◽  
Kelly R. Pope ◽  
Janet A. Samuels
Keyword(s):  
Experimental Study ◽  
Early Detection ◽  
Data Availability ◽  
Medical Provider ◽  
Perceived Credibility ◽  
The Relationship ◽  
Critical Investigation

ABSTRACT Whistleblowing reports, if properly investigated, facilitate the early detection of fraud. Although critical, investigation-related decisions represent a relatively underexplored component of the whistleblowing process. Investigators are responsible for initially deciding whether to follow-up on reports alleging fraud. We report the results of an experimental study examining the follow-up intentions of highly experienced healthcare investigators. Participants, in the role of an insurance investigator, are asked to review a whistleblowing report alleging billing fraud occurring at a medical provider. Thus, participants are serving as external investigators. In a between-participant design, we manipulate the report type and whether the caller previously confronted the wrongdoer. We find that compared to an anonymous report, a non-anonymous report is perceived as more credible and follow-up intentions stronger. We also find that perceived credibility fully mediates the relationship between report type and follow-up intentions. Previous confrontation is not significantly associated with either perceived credibility or follow-up intentions. Data Availability: Data are available upon request.

Randomness and Complexity

2018 ◽  
Author(s):  
Steven E. Vigdor
Keyword(s):  
Quantum Mechanics ◽  
Natural Selection ◽  
Rna World ◽  
Biological Evolution ◽  
Variable Theory ◽  
Cosmological Natural Selection ◽  
Einstein Podolsky Rosen ◽  
World Hypothesis ◽  
Rna World Hypothesis

Chapter 7 describes the fundamental role of randomness in quantum mechanics, in generating the first biomolecules, and in biological evolution. Experiments testing the Einstein–Podolsky–Rosen paradox have demonstrated, via Bell’s inequalities, that no local hidden variable theory can provide a viable alternative to quantum mechanics, with its fundamental randomness built in. Randomness presumably plays an equally important role in the chemical assembly of a wide array of polymer molecules to be sampled for their ability to store genetic information and self-replicate, fueling the sort of abiogenesis assumed in the RNA world hypothesis of life’s beginnings. Evidence for random mutations in biological evolution, microevolution of both bacteria and antibodies and macroevolution of the species, is briefly reviewed. The importance of natural selection in guiding the adaptation of species to changing environments is emphasized. A speculative role of cosmological natural selection for black-hole fecundity in the evolution of universes is discussed.

scholarly journals Assessment of the toxicity effects of nicotine on sperm and IVF and the potential protective role of silymarin—an experimental study in mice

2020 ◽  
Vol 25 (1) ◽  
Author(s):  
Mohammad Rahimi-Madiseh ◽  
Mohsen Mohammadi ◽  
Amin Hassanvand ◽  
Reza Ahmadi ◽  
Maasume Shahmohammadi ◽  
...  
Keyword(s):  
Experimental Study ◽  
Protective Role ◽  
Toxicity Effects

scholarly journals P1-345: Role of Vitamin D Signaling in Sporadic Alzheimer’s Disease: A Clinico-Experimental Study

2016 ◽  
Vol 12 ◽  
pp. P561-P562
Author(s):  
Anindita Banerjee ◽  
Vineet Kumar Khemka ◽  
Debashree Roy ◽  
Aparajita Dhar ◽  
Tapan Kumar Sinha Roy ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Experimental Study ◽  
Vitamin D ◽  
Sporadic Alzheimer’S Disease ◽  
Vitamin D Signaling

scholarly journals The role of historical factors and natural selection in the evolution of breeding systems of Oxalis alpina in the Sonoran desert ‘Sky Islands’

2010 ◽  
Vol 23 (10) ◽  
pp. 2163-2175 ◽  
Author(s):  
J. PÉREZ-ALQUICIRA ◽  
F. E. MOLINA-FREANER ◽  
D. PIÑERO ◽  
S. G. WELLER ◽  
E. MARTÍNEZ-MEYER ◽  
...  
Keyword(s):  
Natural Selection ◽  
Sonoran Desert ◽  
Breeding Systems ◽  
Sky Islands ◽  
Historical Factors

Role of degenerated neuron density of dorsal root ganglion on anterior spinal artery vasospasm in subarachnoid hemorrhage: experimental study

2010 ◽  
Vol 152 (12) ◽  
pp. 2167-2172 ◽  
Author(s):  
Ayhan Kanat ◽  
Adem Yilmaz ◽  
Mehmet D. Aydin ◽  
Murat Musluman ◽  
Sare Altas ◽  
...  
Keyword(s):  
Experimental Study ◽  
Subarachnoid Hemorrhage ◽  
Dorsal Root Ganglion ◽  
Dorsal Root ◽  
Anterior Spinal Artery ◽  
Neuron Density
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