disadvantages of animal studies in psychologyfemale conch shell buyers in png
The rationale for excluding qualitative studies from inclusion was to focus on outcomes using standardized measures to facilitate quantitative comparisons across studies. PDF American Psychological Association (APA) Abstract. PLOS ONE promises fair, rigorous peer review, Advantages and Disadvantages of Animal Testing | Sciencing Advantages Useful Findings. Apprehension around burgeoning medical research in the late 1800s and the first half of the 20 th century sparked concerns over the use of humans and animals in research , .Suspicions around the use of humans were deepened with the revelation of several exploitive research projects, including a series of medical . While results described positive effects of service dogs in terms of social, psychological, and functional benefits for their handlers, it was concluded that all 12 of the studies had weak study designs with limitations including lack of comparison groups, inadequate description of the service dog intervention, and nonstandardized outcome measures. However, when more than one few companies uses the same resources and provide competitive parity are also known as rare resources. However, none of the four studies using the Center for Epidemiologic Studies Depression Scale [CES-D; 52] found significant differences in self-reported depression among those with a mobility service dog compared to a control group [3941] or after 4-months with a mobility service dog [28]. Neither of these early reviews employed a formal methodological assessment of studies, but limitations were listed for each included study. In results sections, 15/21 studies with a control or comparison condition (71%) demonstrated that participants in each condition were comparable on demographic variables. Only 6/27 (22%) reported any estimates of effect size in their results. Future research should focus on assessing outcomes from these medical alert and response assistance dogs and how their roles may be similar or different than mobility, guide, or hearing dogs. The systematic literature review was conducted according to The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines [21]. [35] found no improvement 3-months after receiving a mobility, hearing, or medical service dog, Donovan [28] found no improvement 4-months after receiving a mobility service dog, and Shintani et al. All articles were screened by two independent reviewers (authors KR and JG) using Covidence systematic review software (Veritas Health Innovation, Melbourne, Australia). To be sure, each species has its own specializations that enable it to fit into its unique ecological niche; but common ancestry results in structural (e.g., brain) and functional (e.g., memory) processes that are remarkably similar between humans and nonhumans. As the field of animal-assisted intervention is multidisciplinary, a wide and extensive search was conducted encompassing medical and scientific databases. In terms of general social functioning, 2/10 comparisons made were significant. The most commonly studied type of assistance dog was mobility service dogs, followed by hearing dogs. Animal research continues to play a vital role in psychology, enabling discoveries of basic psychological and physiological processes that are important for living healthy lives. Under the Americans with Disabilities Act of 1990, a United States law, an assistance dog must do work or perform tasks for the benefit of an individual with a physical, sensory, psychiatric, intellectual, or other mental disability in order to receive public access rights [4]. Copyright: 2020 Rodriguez et al. What are the advantages and disadvantages of animal domestication Discover a faster, simpler path to publishing in a high-quality journal. Citation: Rodriguez KE, Greer J, Yatcilla JK, Beck AM, OHaire ME (2020) The effects of assistance dogs on psychosocial health and wellbeing: A systematic literature review. They argue that all life is sacred and animals go through a lot of distress during experiments in which they involuntarily take part. The effects of assistance dogs on psychosocial health and - PLOS Learning and language theories.An interesting insight into the animal world DisadvantagesThe Ethics of animal testing. In these studies, positive findings (i.e., better social functioning in those with an assistance dog compared to a control group) may be partially attributed to an unmeasured variable driving the group difference [77]. Of 27 studies, 15 were cross-sectional and 12 were longitudinal. A study protocol was designed a-priori to define the search strategy, inclusion and exclusion criteria, and items for data extraction. A main weakness of animal studies is that animals have a different physiology to humans. However, almost all positive findings were accompanied by a null finding using the same or similar standardized measure in a different study. Cruelty in Entertainment Disaster Response Companion Animals Dogfighting Dog and Cat Welfare Dog Meat Trade Farm Animals Animal Agriculture and Climate Change Factory Farming Plant-Based Eating Wildlife Fur Human-Wildlife Coexistence Rhino and Elephant Protection Seal Slaughter Shark Finning Trophy Hunting Whaling Wildlife Trade Other Ways We Help John Capitanio, PhD, is a research psychologist in the department of psychology at the University of California, Davis, and a core scientist at the California National Primate Research Center. However, more than half of all studies (16/27; 59%) had sample sizes greater than or equal to N = 50. A total of 1,830 records were screened via title and abstract in which 1,576 records were excluded due to irrelevancy (see Fig 1 for PRISMA diagram). Many studies did not confirm that participants across groups were statistically equivalent on key demographic variables such as age and sex/gender before conducting statistical analyses. Other studies assessed outcomes from hearing dogs (7/27; 26%), guide dogs (4/27; 15%), and medical alert/response service dogs (2/27; 7%). A final potential reason for outcome discrepancies is variation in methodological rigor across studies. A health information specialist (JY) constructed and executed comprehensive search strategies in six electronic databases: MEDLINE (PubMed platform), Cumulative Index to Nursing and Allied Health Literature (CINAHL) (EBSCOhost platform), ERIC (EBSCOHost), Web of Science Core Collection (Web of Science), PsycINFO (EBSCOhost), and PsycARTICLES (EBSCOhost). Interestingly, only one included study [16] assessed outcomes from participants under the age of 18. Of 27 studies, 20 (74%) assessed a psychological outcome with a total of 24 different standardized measures. Thoughts on limitations of animal models - ScienceDirect Of 34 total quality of life outcomes, 9 (26%) were positive (improved or better quality of life in comparison to pre- or control conditions), 22 (65%) were null (no difference) and 3 (9%) were negative (decreased or worse quality of life in comparison to pre- or control conditions). Another potential explanation for inconsistent findings across studies lies in the inherent variability of the assistance dog intervention itself. BBC - Ethics - Animal ethics: Experimenting on animals Within cross-sectional studies, number of years since first partnering with an assistance dog ranged from 6-months to 45 years with means ranging from 29 years. Advantages & Disadvantages | a2-level-level-revision, psychology To compare methodological rigor by study design, an independent t-test was used to compare mean scores across longitudinal and cross-sectional designs. In the next sub-category, six studies assessed life satisfaction outcomes using Satisfaction with Life Scale [SWLS; 57]. Studies compared outcomes of individuals with an assistance dog to before they received the dog (six longitudinal studies), to participants on the waitlist to receive an assistance dog (five longitudinal and seven cross-sectional studies), or to participants without an assistance dog (eight cross-sectional studies). [16] found no difference in sleep disturbance between individuals with mobility or medical service dog and a control group. mobility or guide), thus restricting human participants to a single category of impairments. However, 2 studies found worse occupational functioning in terms of employment, schooling, or homemaking. Other null findings included no effect of having a guide dog on social conflict stress and interactions with others [42], no improvement in social relationships 12-months after receiving a mobility service dog, and null findings regarding self-reported friendship and companionship with a mobility or medical service dog [16] or 4-months after receiving a mobility service dog [28]. [17] found an effect of having an assistance dog on mental health. Overall, sample sizes were higher than what is usually observed in targeted animal-assisted intervention studies with dogs (e.g. For example, we know what the connections are between the amygdala and other brain regions, but how does activity in the amygdala affect brain functioning? The other four studies reported no changes in participants mental health 3-months after receiving a mobility, hearing, or medical service dog [35], 4-months after receiving a mobility service dog [28], and 7-months after receiving a hearing or mobility service dog [32]. Abstract. Study designs included both cross-sectional and longitudinal studies, with only one randomized longitudinal study identified [14]. To examine the relationship between methodological rigor score and year of publication as well as sample size, bivariate correlations were performed. Animal Studies AO1 AO2 AO3 - PSYCHOLOGY WIZARD Plants lack a nervous system and therefore cannot be used to learn about psycho- logical phenomena. Data Availability: All relevant data are within the paper and its Supporting information files. The first emphasizes that the welfare of animals is important in its own right and that animals must be treated humanely. Disadvantages Of Experimental Research | ipl.org Records were independently screened by two authors. MEDLINE search terms and search strategy. Increased research on this topic is likely in parallel with the increased roles and demands for different types of assistance dogs worldwide [2] as well as increased interest in the benefits of animal interaction for human health and wellbeing [60]. The three Rs are: Reduction, Refinement . However, even within a single category, there are differences in assistance dog breeds, temperaments, and training that may significantly contribute to observed variance across studies. The disadvantage of animal research is that it lessens the value of life. Register for the early bird rate. Finally, in discussion sections, most studies (22/27; 81%) stated at least two limitations of their study. Table 4 summarizes the social outcomes across studies within the sub-categories of general social functioning, loneliness, and social participation. Regarding emotional health, 7/15 (46%) outcomes were significant across group or condition. Disadvantages of Animal Experimentation Ethical concerns Animals have to die for our research May be considered to be cruel Animal testing may not be acceptable regarding religious aspects Humans should not play god Animal testing can be expensive Animal experimentation may lead to the development of new diseases May be done in an excessive manner Only Vincent et al. Animal Domestication: Animal domestication is when humans take animals from the wild and keep them over successive generations in controlled environments where the animals are always available to humans. [35] found increased functioning 3-months after receiving a mobility, hearing, or medical service dog, while Shintani et al. Therefore, due to observed heterogeneity, a meta-analysis was not pursued. In the case of disagreements, inclusion or exclusion was resolved by discussion and consultation with a third independent reviewer (author MO). found better social functioning in those with a mobility or medical service dog compared to a control group [16] while Guest found improved social functioning 3- and 12-months after receiving a hearing dog [13]. Funding: The authors received no specific funding for this work. Of five studies using a version of the UCLA Loneliness Scale [55] only Yarmolkevich [46] found significantly lower self-reported loneliness in those with a guide dog compared to a control group. The other five studies found no effect of having a mobility service dog [32], hearing dog [29, 32], or guide dog [38] on life satisfaction using SWLS. Exclusions included those based on population, outcomes, and methodology. Equally important is the consideration of the potential harms to humans of not doing the research. Cross-sectional studies had the highest sample sizes with an average sample size of N = 126 +/- 73 participants (range of N = 38316), while longitudinal studies averaged N = 29 +/- 18 participants (range of N = 1055). Using the occupation domain of the CHART, Rintala et al. You can learn more about some of this research, as well as the ethical and regulatory issues that are involved, by consulting online resources such as Speaking of Research. If it does, then it can be tested on humans with a lower risk of a negative outcome. As the assistance dog itself is the key component of the intervention, details regarding the dogs breeding, rearing, selection, and training, as well as the assistance dog-handler matching process are critical to disentangling potential mechanisms [75]. In fact, positive findings were identified in all domains and sub-domains of psychosocial health and wellbeing. Using the Profile of Mood States Scale [POMS; 51], Guest found increased self-reported vigor 3- and 12-months after receiving a hearing dog and less fatigue 3-months after receiving a hearing dog. The rationale for excluding studies on emotional service dogs and psychiatric service dogs is that the primary benefits of these dogs are psychological in nature, rather than physical or medical, which complicated comparisons of their psychosocial effects. In the self-evaluation subcategory, 5/19 (26%) outcomes found a significant effect of having an assistance dog on standardized measures of self-esteem, self-concept, and other measures of self-evaluation. The specific aims were to (1) describe the key characteristics of studies (2) evaluate the methodological rigor of studies (3) summarize outcomes. However, only 1/6 (17%) found a significant effect, in which Yarmolkevich found higher life satisfaction among those with a guide dog compared to a control group. One of the main considerations in understanding the potential variability across findings is the aspect of time since assistance dog placement. Importantly, only a few comparisons were made in the negative direction (2%) indicating that there is limited reason to believe that acquiring an assistance dog is associated with worse functioning. The final sample included 24 articles (12 peer-reviewed publications, 12 unpublished theses/dissertations) containing 27 individual studies. Our second aim was to evaluate the methodological rigor of studies. Finally, one of the most notable examples of poor methodological reporting across studies was the omission of information regarding assistance dogs sources (e.g. Ten years from now, students may very well read in their textbooks about a new treatment to help people with Parkinsons disease. broad scope, and wide readership a perfect fit for your research every time. However, increasingly modern methods allow the 3R principle of reducing, refining and replacing animal experiments to be put into practice . Using other standardized measures of independence, Matsunaka & Koda [42] found that those with guide dogs reported and lower stress while being mobile. Data from 5,191 children were included in the study; 2,236 lived in homes with a dog or cat, and 2,955 lived in households that did not include any animals. Other self-evaluation outcomes assessed with null findings included no differences in self-concept between control groups and those with mobility service dogs [37] or guide dogs [46], no differences in attitude towards a disability 4-months after receiving a mobility service dog [28] or among guide dog users compared to a control group [38], and no differences in flourishing among guide dog users compared to a control group [46]. Of 58 total psychological outcomes, 21 (37%) were positive (improved or better psychological health in comparison to pre- or control conditions), 37 (63%) were null (no difference), and zero (0%) were negative (decreased or worse functioning in comparison to pre- or control conditions). Finally, its important to note that animal research in the United States is very tightly regulated by a series of federal and state laws, policies and regulations, dating back to the landmark Animal Welfare Act from 1966. Continued efforts are required to improve methodological rigor, conduct replicable research, and account for heterogeneity in both humans and animals to advance the state of knowledge in this field. The authors found three studies reporting an association between having a seizure alert or response dog and improvements to quality of life and wellbeing, concluding a need for more research. In the sub-category of independence, a total of 20 comparisons were made in which 9 (45%) were significant, but 3 (15%) were in the negative direction. Future research is necessary to determine if in fact some measures are inappropriate to measure change following an assistance dog, which may be addressed using interviewing and focus group techniques among assistance dog handlers. Summary of social outcomes across studies ordered by sub-category, then by standardized measure. t, F, or B values) and only 55% (15/27) of studies reported exact probability values from analyses. [35] found higher health-related quality of life 3-months after receiving a mobility, hearing, or medical service dog on one of three measures used [EuroQol Visual Analog Scale; 56]. Grey literature was addressed by searching ProQuest Dissertations and Theses (ProQuest) and WorldCatDissertations and hand searching the abstracts of the International Society for Anthrozoology and International Association of Human Animal Interactions Organizations conferences. Therefore, the current literature is limited to correlational, rather than causal conclusions regarding the benefits of assistance dogs on the psychosocial health of their owners. Studying other species often avoids some of the complex ethical problems involved in studying humans. Finally, Rodriguez et al. However, positive findings were found in depression using the POMS by a different study [13]. Future research should specify not only ethical protocols for human subjects research, but also for animal subjects, which is often underutilized and/or underreported in AAI research [73]. An important finding from this review was that most positive findings were reported in published studies, while unpublished theses were more likely to report null findings. Promising areas include psychological wellbeing, emotional wellbeing, and social participation in which several positive outcomes were identified. What does an animal psychologist do? - n4vu.com Seven studies (26%) had sample sizes less than or equal to N = 20, all of which were longitudinal. The use of animal models in behavioural neuroscience research This research aimed to conduct a systematic assessment of the current state of knowledge regarding the potential benefits of assistance dogs on standardized outcomes of the health and wellbeing of individuals with disabilities. Six comparisons were made to measure the effect of having an assistance dog on clinical measures of depression or anxiety. Nine studies assessed self-esteem as a primary outcome, with four studies [14, 32, 36, 46] finding a significant effect of having a guide, hearing, mobility, or medical service dog on self-esteem as measured by the Rosenberg Self Esteem Scale [RSES; 53]. Moderator analyses will be useful in determining the potential explanatory effects that handler-service dog relationships have on psychosocial outcomes. Longitudinal studies addressed an average of 59% of methodological items while cross-sectional studies averaged 65%. Limitations of Animal Tests - Humane Society International Why Kids With Pets Are Better Off | Psychology Today As a final consideration, it is possible that assistance dogs may not confer significant psychosocial benefits as quantified by some of the standardized measures used. However, results suggested that for most outcomes, having an assistance dog had no effect on psychosocial health and wellbeing. As research on the assistance animal-handler relationship continues to increase, there is a need for an updated, comprehensive collation of the literature encompassing studies on the effects of all varieties of assistance dogs (guide dogs, hearing dogs, and both mobility and medical service dogs) including both published studies and unpublished theses and dissertations. Animal models are a fundamental tool in the life sciences. Following PRISMA guidelines, a systematic review was conducted across seven electronic databases. Similarly, Crudden et al. Visual display of methodological ratings for N = 27 studies ordered by the number of studies addressing each item. The concept of a Regional Innovation Ecosystem (RIE) has gained significant attention in the academic literature and policy arena in recent years [1,2].Based on the inspiration of the natural ecosystem, the RIE was first introduced by Moore in 1993 as a framework for understanding the dynamics of innovation within a specific region [].The RIE can be considered analogous to a natural ecosystem . This occurred by either matching groups on select criteria or statistically comparing groups demographic characteristics before performing main analyses. purpose-bred from a provider, self-trained) and breeds (e.g., Labrador Retriever, Golden Retriever, Mixes). Summary of quality of life outcomes across studies ordered by sub-category. A study such as this not only helps us better understand how the brain works, but it also has enormous potential for developing treatments for people who have abnormal patterns of brain activity, such as those with epilepsy or Parkinsons disease. Why is animal psychology important? Because of the broad inclusion criteria, the 27 studies were widely varied in terms of human and dog participants, assessment time points, statistical analyses, and standardized outcomes. Summary of methodological rating scores by each of the N = 27 individual studies. In this review, we have provided a primer on permanent and reversible lesion techniques currently in use in animal research, and a brief discussion of how they might . The studies carried out by Milgram, Piliavin, Haney and Gardner Limitations and Benefits of Psychological Research on Animals Many people see animal testing as a cruel and inhumane practice. In addition to the different human and dog phenotypes that contribute to this heterogeneity, there are likely differences in the strength of the human-animal bond and attachment relationships formed between assistance dogs and handlers [19, 76]. Using a new technique, it is now possible to temporarily inactivate the amygdala in a monkey and see how other brain areas (including those that are not directly connected to the amygdala) change their activity (Grayson et al., 2016). For example one could not look at the effects of maternal deprivation by removing infants from their mothers or conduct isolation experiment on humans in the way that has been done on other species. Most studies (24/27; 89%) assessed outcomes from a single type of assistance dog (e.g. of Agriculture, and, at the local level by Institutional Animal Care and Use Committees (IACUCs). Further, in contrast to a psychiatric service dog or an emotional support dog, the assistance dogs in this review are not explicitly trained for mental health-related support and their effects on the psychosocial health of their handlers may be variable rather than population-wide. Only a single study [16] assessed outcomes from child participants under the age of 18 (an additional study [38] had a minimum inclusion age of 16, but the youngest participant was 19). As mentioned above, a surprisingly high number of studies did not ensure that assistance dog and control groups were statistically equal across demographic and disability characteristics prior to outcome analyses. Of 27 studies, 18 (67%) reported outcomes a standardized measure of social health with a total of 18 different standardized measures. Most studies reported adequate detail on participant demographics such as age and sex or gender identity (23/27; 85%) as well as disability characteristics such as primary diagnoses or severity (22/27; 81%). route finding, retrieving dropped items, alerting to a seizure), the assistance dogs companionship, emotional and social support, and social facilitation effects in public may be particularly salient to improving the quality of life of individuals with disabilities [79]. Regarding social participation, 14 comparisons were made in which 4/14 were significant (29%). How Comparative Psychologists Study Animal Behavior - Verywell Mind [15] found a significant increase in pep, energy, and feeling less worn out 3- and 6-months after receiving a mobility service dog while three studies found no relationship between the vitality domain and having a mobility service dog [17, 28] or a mobility, hearing, or medical service dog [35].
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