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Full-Text Articles in Life Sciences

Agritourism Development In Southwest Michigan: Motivations Of Agritourists And Operators, Esther Akoto Amoako Apr 2020

Agritourism Development In Southwest Michigan: Motivations Of Agritourists And Operators, Esther Akoto Amoako

Masters Theses

National agricultural statistics show that the number of agritourism farms and the proportion of agritourism related revenues in the United States has steadily increased during the last ten years, especially among small family farms. The recent growth in agritourism is both demand - and supply-driven. However, there are limited studies that explore agritourism motivations from both the visitors' and operators’ perspectives. This study examines what the agritourists' and operators’ motivations are and the challenges facing the industry to provide information for those currently involved and those wanting to include agritourism in their operations. Online and in-person surveys and unstructured interviews …


Sex, Motivation, And Reversal Learning In The Common Marmoset (Callithrix Jacchus), Alyssa Carlotto Jul 2019

Sex, Motivation, And Reversal Learning In The Common Marmoset (Callithrix Jacchus), Alyssa Carlotto

Masters Theses

This study examined the relationships between motivation and cognitive performance in male and female common marmosets (Callithrix jacchus). This question was driven by prior data from the Lacreuse lab showing a robust female impairment in reversal learning, as assessed by the number of trials needed to acquire a reversal following a simple discrimination between two stimuli. This thesis tested the hypothesis that the female impairment in reversal learning was mediated by deficits in motivation. Two sets of measures were used to test this hypothesis. I evaluated physical effort via testing on the progressive ratio (PR), a test that …


Effort-Related Motivational Dysfunctions: Behavioral And Neurochemical Studies Of The Wistar-Kyoto Rat Model Of Depression, Brendan Abbott Jul 2018

Effort-Related Motivational Dysfunctions: Behavioral And Neurochemical Studies Of The Wistar-Kyoto Rat Model Of Depression, Brendan Abbott

Masters Theses

Depression and related disorders are characterized by motivational dysfunctions, including deficits in behavioral activation and exertion of effort. Animal models of relevance to depression represent a critical starting point in elucidating the neurobiological mechanisms underlying motivational dysfunctions. The present study explored the use of the Wistar-Kyoto (WKY) animal model of depression to examine effort-related functions as measured by voluntary wheel running and performance on a mixed fixed ratio 5/progressive ratio (FR5/PR) operant task. Given the known link between activational aspects of motivation and the mesocorticolimbic dopamine (DA) system, the behavioral effects of d-amphetamine (0.5 and 1.0 mg/kg, IP), a psychostimulant …


Motivation And Support For Regulatory Changes: A Typology Of Tennessee Wild Turkey Hunters, Cristina Elisa Maldonado May 2017

Motivation And Support For Regulatory Changes: A Typology Of Tennessee Wild Turkey Hunters, Cristina Elisa Maldonado

Masters Theses

Hunters form a diverse group with multiple motivations for seeking outdoor recreation experiences. A deeper understanding of hunters’ motivations may benefit wildlife managers in state agencies to cater services and regulations to meet the needs of this diverse group. To determine the motivations of wild turkey (Meleagris gallopavo) hunters in Tennessee, and their attitudes and preferences concerning turkey hunting and management, a self-administered questionnaire was developed and mailed to a sample of licensed Turkey hunters in Tennessee. A multivariate K-means cluster analysis was then applied to identify hunter typologies based on several motivation factors that were derived from …