Miracle-dz/UniFAR-FTUs huggingface dataset:
Establishment and Early Regeneration of Stem Cuttings from Chicken Weed (Portulaca quadrifida L.) as Influenced by Soil Types

Differences in the ability of soil are a requirement for early regeneration of a plant. It was a pot experiment carried out at Sokoto in the Sudano Sahelian agro-ecological Zone of Nigeria. The objective was to investigate the regenerative ability of stem cuttings of Chicken weed on different soil type as a strategy for the weed control. The experimental set up was 3 × 7 factorial arrangement in a Completely Randomized Design. The treatments consisted of seven stem cuttings types namely (NLA-D - node leaf attached at distal stem location, NLR-D - node leaf removed from distal stem location, NLA-P- node leaf attached at proximal stem location, NLR-P- node leaf removed from proximal stem location, IN-D - internodes at distal stem location, IN-P- internodes from proximal stem location and SRA- stem roots attached) and three soil textural class (Sandy, Silty clay and Loamy sand). Result revealed that Silty clay recorded highest number of survived plants. Plant height, number of leaves, nodes, internodes and internodes length were greatly favoured by sandy soil. Loamy sand supported the earliness to leaf emergence and flowering. NLA-D supported the early regeneration of the plant in all stem cuttings tested, but earliness to leaf emergence and flowering was better with NLAP. This finding gave information that Chicken weed regenerate profusely and control measures should be administers to save target crop from yield losses. Keywords: distal, proximal, stem cuttings, soil textural class, regeneration
Do Individual Investors Trade on Investment-Related Internet Postings?

Many people share investment ideas online. This study investigates whether individual investors trade on investment-related internet postings. We use unique data from a social trading platform that allow us to observe the shared portfolios of traders, their posted comments, and the replicating transactions of followers. We find robust evidence that followers increasingly replicate shared portfolios of traders after the posting of comments. However, postings do not help followers identify portfolios that deliver superior performance in the future. In a cross-sectional analysis, we show that it is mainly followers typically considered to be unsophisticated who trade after comment postings. This paper was accepted by Tyler Shumway, finance.
Officer Supervision Styles and Female Probationer/Parolee Recidivism

ABSTRACT Research shows that community supervision officer-client relationships have a meaningful impact on probationer/parolee recidivism; however, such understanding is generally limited to male or juvenile clients. The purpose of the current study was to examine how supervision officers’ background and caseload characteristics related to their supervision style and then how this impacted rearrest among the female clients on their caseload. Using self-report survey and interview data, we found that there were no indicators that were related to an officer’s supervision style; however, probationers/parolees who were supervised by officers with a more procedurally fair approach were more likely to be rearrested within the first 24 months of being on community supervision, and those who were supervised by officers who were more authoritative were less likely to be rearrested within this time frame. These results have several implications for future research and policy, particularly concerning the need to focus on gender-specific probation/parole imperatives.
Evaluation of the usefulness of path of long-term user experience model in design process

ABSTRACT User experience evolves in accordance with users’ attitudes, habits, and personality, as well as their prior experiences. Even though there are attempts to holistically frame the long-term experience of interactive products, there is still debate on how to guide designers in the design process of those products. To tackle this issue, this paper proposes the usage of Path of Long-Term User Experience (PLUX) model in design process. To interrogate the usefulness of the model, we conducted two studies. First, we adopted, adapted and tested the applicability of the backcasting approach, together with the visual materials that could be used in the design process. Following this, we tested the effectiveness of using the PLUX model as a guidance tool in designing interactive products. The PLUX model together with the backcasting approach helps designers to better ground their decisions in the design process and to find ways to enrich long-term user experience. The stages of user experience as well as the human and product-related qualities of the PLUX model facilitated in-depth reflection, and espoused creative interpretations of these qualities for ideation. However, the high level of detail is found limiting at times, depending on the ways the model is utilised.
Now You See Me, Now You Mishear Me: Raciolinguistic accounts of speech perception in different English varieties

ABSTRACT Listeners can access information about a speaker such as age, gender identity, socioeconomic status, and their linguistic background upon hearing their speech. However, it is still not clear if listeners use these factors to assess speakers’ speech. Here, an audio-visual (matched-guise) test is used to measure whether listeners’ accentedness judgments can be modulated depending on the type of face that they see. American and Indian English were used as different English varieties and presented with either a White female face or a South Asian female face. Results show that listeners’ accentedness judgments increased for Indian English compared to American English. Importantly, the increase in accentedness judgments was also observed when both American English and Indian English were presented with a South Asian face compared to a White face. These findings suggest that linguistic evaluations are modulated by non-linguistic factors and that speech perception is socially gated.
Examining Character Strengths of Developmental Services Workers in Canada: A Mixed-Methods Pilot Study

Abstract This sequential explanatory mixed-methods study examined the profile of character strengths in developmental services workers (DSWs) employed in Ontario, Canada and explored how they use their strengths when supporting people with developmental disabilities. In the quantitative phase of the study, nineteen (N = 19) DSWs completed the Global Assessment of Character Strengths questionnaire (GAS-72). In the qualitative phase, a sub-set of nine (n = 9) participants completed a single face-to-face interview where they identified their top five self-perceived character strengths, and described how they use them in their work when supporting their clients. The GAS-72 results indicated that participants rated the top eight character strengths as: humor, teamwork, fairness, honesty, kindness, self-regulation, love of learning, and perspective/wisdom. Interview findings indicated that participants used the character strengths of humor, love of learning, and perseverance concurrently to provide compassionate and meaningful care, to support their client’s overall well-being, and to motivate themselves to flourish in doing their work. Future research needs to examine how character strengths in DSWs and other social services professionals can promote employee well-being, job satisfaction, and compassionate care.
Molecular systematics reveals multiple lineages and cryptic speciation in the freshwater crayfish Parastacus brasiliensis (von Martens, 1869) (Crustacea : Decapoda : Parastacidae)

Abstract. The characterisation of intraspecific genetic diversity in representatives of the South American crayfish genus Parastacus Huxley, 1879 is here carried out for the first time by comparing populations of Parastacus brasiliensis (von Martens, 1869) as currently defined. Phylogenetic reconstructions based on mitochondrial and nuclear markers indicate the existence of multiple lineages, of which only one can be considered as P. brasiliensis sensu stricto. In addition, there are seven other lineages, one of which is the subspecies Parastacus brasiliensis promatensis Fontoura & Conter, 2008, which is here elevated to species level. We thereby increase to 14 the number of recognised species within Parastacus in South America. Genetic distances among P. brasiliensis sensu stricto and the lineages ‘A’, ‘B’ and ‘C’ increase with geographical distances, suggesting isolation by distance as an important driver of diversification, and eventually speciation, in these burrowing crayfishes. Parastacus brasiliensis occurs mainly in the Guaíba Lake basin and studied populations show limited connectivity and gene flow, probably due to habitat fragmentation. On the basis of genetic and distribution data, the conservation status of P. brasiliensis sensu stricto is confirmed as Near Threatened (NT). These findings lead us to encourage the establishment of preservation areas for isolated populations. The importance of preserving the newly recognised distinct gene pools in order to maintain overall genetic diversity is emphasised.
Accuracy of Disclosure Environment and Subsidies for Foreign Investments

Countries often offer substantial financial incentives (subsidies) for attracting foreign investments as new ventures, often with mixed results. Discussion to support foreign investment seldom includes improvement of the reporting and disclosure environment. When financial markets get integrated, but the accounting institutions and disclosure environment significantly differ, investment in a market with a relatively lax disclosure requirement may be construed by the investors as an attempt to avoid the due scrutiny of the asset’s performance, leading to a lower valuation. If so, financial incentives would tend to offset such a disincentive in addition to providing other incentives. The results of this study show that an improvement in accuracy of the audit/disclosure regime reduces the demand for subsidy. Therefore, the countries may find it more economical to compete for foreign investments on the basis of a more detailed and rigorous audit/disclosure environment instead of only relying upon the levels of fiscal incentives. Uniform adoption of accounting standards, such as the International Financial Reporting Standards (IFRS), may help accomplish such an objective. Therefore, fiscal incentives, though important, should not be viewed in isolation. A more economical solution may include development of a strong financial disclosure and auditing environment besides offering of a fiscal subsidy.
Effects of duration of early feed withdrawal and re-feeding on growth, carcass traits, plasma constituents and intestinal microflora of broiler chickens

ABSTRACT The effect of different feed withdrawal durations and re-feeding on broiler performance was investigated. A total of 225 broiler chicks (Ross 308) were assigned to 5 groups; control (full feeding) and feed withdrawal for 6, 8, 10 and 12 h daily. Feed intake and weight gain were reduced (P < .05) in the feed withdrawal groups during the starter phase, but were not affected during later growth. Feed conversion ratio was not affected by the treatment. The relative weight of carcass was reduced (P < .05) in 6 and 12 h feed withdrawal groups. Breast weight was lowest on the control group and highest on the 8 h withdrawal (P < .05) group. The weight of the thigh was reduced (P < .05) on the control group. Plasma protein was higher on the control group and 6 h group compared to 10 h feed withdrawal group (P < .05). Plasma albumin was reduced on 12 and uric acid on the control and 6 withdrawal groups. There were no treatment effects on plasma cholesterol, HDL and LDL values. E. coli count was not affected by treatment, but Lactobacilli count was higher (P < .05) on the 12 h feed withdrawal group. Young broilers subjected to feed withdrawal for 8–10 h daily can compensate for performance losses in the early stage of growth and maximize the relative weights of carcass, breast muscle and thigh, but withdrawal lengths of 6 and 12 h might be too short and too long, respectively, to improve performance losses after resumption of full feeding.
Product Quality and Performance in the Internet Age: Evidence from Creationist-Friendly Curriculum

Curriculum is at the core of school quality. Curriculum changes often attempt to cater to local preferences while adhering to national standards. This tension often drives a school’s decision to invest in curriculum changes even though little is known about how such changes affect student performance. To examine these interrelated issues of product quality and performance in the education sector, the authors analyze the effect of the 2008 Louisiana Science Education Act on students’ science test performance in nationally administered tests. The law allowed the teaching of creationism as an alternative “theory” to evolution in Louisiana schools. Using detailed data on Louisiana schools, the authors employ a difference-in-differences strategy to document that science test achievement declined after the law was passed, relative to schools in neighboring Texas. The effect of the law was driven by regions with high internet penetration and low parental education levels. After the change in policy, Louisiana students were more likely to seek out information on the internet using search terms that led them to web pages that reinforced a creationist message.
An approach for wheel flat detection of railway train wheels using envelope spectrum analysis

Abstract Due to the increasing demand for safer and faster rail transport, train wheelsets operating under high axle loads require more careful and reliable inspections and maintenance. During service, the train wheelsets are constantly operating under harsh conditions such as fatigue, thermal variation and impact. The wheel defects can induce damage to railway tracks or even derailments, increasing costs for both railway administrations and rolling stock operators. Therefore, early detection of wheel defects may prevent significant damages that could lead to service interruptions or derailments. The purpose of this research is to present an approach to detect the presence of wheel flats using an envelope spectrum analysis, as well as to test, discuss and analyse the sensitivity of the proposed approach to the unevenness of the track, the random position of the wheel flat impact occurrence and the severity of the flat. Subsequently, the sensitivity of the proposed method is tested to accurately detect a wheel flat when the signal is perturbed by different noise intensities. A wide range of 3D simulations based on a train–track interaction model has been performed for different train speeds and different types of flat geometries. From the obtained results, it is evident that envelope spectrum analysis is a capable tool and a cost-effective method that can be used to detect wheel flats along with the flat impact frequency for different train speeds in real-world conditions.
Effects of Fruit and Vegetable Wastes and Biodegradable Municipal Wastes Co-Mixed Composts on Nitrogen Dynamics in an Oxisol

Organic waste generation in developing countries is increasing and appropriate disposal methods are needed. An open aerobic composting using 20 L bins was carried out using 6 composts made using ratios of 3:1, 1:2 and 1:4 fruit and vegetable wastes (FVW):biodegradable municipal waste (BMW), with and without addition of homemade indigenous microorganisms (IMO), for 30 days to monitor compost quality. The nitrogen contents of the composts ranged from 1.52 to 2.76% N equivalent to 76–138 kg N ha−1 at 5 t ha−1 compost application rates. Heavy metals measured were below permissible levels of compost quality standards. Selected composts were incubated for 60 days to study nitrogen mineralization dynamics when applied to an Oxisol at the rates of 0, 5 and 10 t ha−1. The results showed significant differences (p ≤ 0.05) in the amounts of NH4-N, NO3-N and cumulative NH4-N + NO3-N released. Ammonium nitrogen released was higher on days 3, 21 and/or 40 for composts 3:1 − IMO at 10 t ha−1, 3:1 + IMO at 10 t ha−1 and 3:1 − IMO at 5 t ha−1. Cumulative N (NH4 -N + NO3 -N) released over control were 77.98, 64.09 and 64.35% higher for application of 3:1 + IMO, 1:2 − IMO and 1:2 + IMO, respectively, at an application rate of 10 t ha−1. The increased nitrogen content, low heavy metals concentrations and the amount of mineralized N from the composts exhibit potential for increased nutrient availability when applied to a soil.
The Relationship between Mindfulness and Sleep Quality is Mediated by Emotion Regulation

Background: Sleep is critical to a person’s overall physical and mental health. The current study investigated the relationship between mindfulness and sleep quality, to determine if this relationship is influenced by emotion regulation and perceived stress. Method: Three hundred sixty-seven undergraduate students responded to five self-report measures, (1) The Cognitive and Affective Mindfulness Scale (CAMS-R), (2) The Impact of Event Scale (IES-R), (3) The Five Facet Mindfulness Questionnaire (FFMQ), (4) The Emotion Regulation Questionnaire (ERQ), and (5) The Pittsburgh Sleep Quality Index (PSQI). Results: Results revealed (1) sleep quality was predicted by the presence of hyperarousal, acting with awareness, and the CAMS-R, (2) the Impact of Event Scale was moderately positively correlated with a person’s global score on the Pittsburgh Sleep Quality Index, and (3) the relationship between mindfulness and sleep quality was mediated by hyperarousal. Conclusions: Together, our findings suggest that higher levels of intrusive thoughts, avoidance, and hyperarousal are correlated with lower overall sleep quality, and the use of mindfulness techniques such as acting with awareness and being non-reacting to negative thoughts or hyperarousal may help predict an individual’s sleep quality.
Application of Phage for Biocontrol of Salmonella Species in Food Systems

The studies on phage applications that provide successful results in biocontrol of foodborne pathogens and offer an environmentally friendly approach have been increasing today. Phages are viruses that can infect and kill the specific target bacterial cell. Salmonella is one of the most important pathogenic microorganisms that leading causes of food-borne illnesses called salmonellosis. Meat products especially chicken meat, fresh eggs, dairy products, ready-to-eat foods, seafood products and all kinds of contaminated food can be cause of salmonellosis. In this review, the phage application studies to control of Salmonella in food systems were summarized taking into account the research studied in recent years.
Estimation of cerebrospinal fluid lactate level to differentiate between pyogenic and non-pyogenic meningitis: a prospective analytical study

Background: Meningitis is one of the common causes of serious morbidity and mortality and is one of the common causes of intensive care unit (ICU) admissions. The meningitis can be broadly divided into bacterial, viral or fungal meningitis. It is important to differentiate between pyogenic and non-pyogenic meningitis because of obvious management implications. Cerebrospinal fluid (CSF) lactate levels can be used for differentiating pyogenic and non-pyogenic (viral/tubercular) meningitis. Methods: This was a prospective analytical study in which cases diagnosed to be having meningitis were included on the basis of a predefined inclusion and exclusion criteria. Demographic details such as age, gender and socioeconomic status was note in all the cases. A detailed clinical history was taken and a through clinical examination was done. Imaging (computerized tomography) was done in selected cases. CSF cytology, biochemistry and culture sensitivity were done in all cases. CSF lactate was determined in all cases. Results: The CSF cytological examination showed that the mean total cell count was more (643.23±102.02) in pyogenic meningitis as compared to non-pyogenic (viral/tubercular) meningitis (121.76±59.74) and the difference was found to be statistically highly significant (p<0.0001). The analysis of CSF lactate levels showed that pyogenic meningitis cases had a significantly high level of CSF lactate as compared to non-pyogenic meningitis cases and the difference was found to be statistically highly significant (p<0.0001). Conclusions: CSF lactate level is a good indicator in differentiating pyogenic and non-pyogenic meningitis.
Interpretable deep learning as a means for decrypting disease signature in multiple sclerosis

Objective. The mechanisms driving multiple sclerosis (MS) are still largely unknown, calling for new methods allowing to detect and characterize tissue degeneration since the early stages of the disease. Our aim is to decrypt the microstructural signatures of the Primary Progressive versus the Relapsing-Remitting state of disease based on diffusion and structural magnetic resonance imaging data. Approach. A selection of microstructural descriptors, based on the 3D-Simple Harmonics Oscillator Based Reconstruction and Estimation and the set of new algebraically independent Rotation Invariant spherical harmonics Features, was considered and used to feed convolutional neural networks (CNNs) models. Classical measures derived from diffusion tensor imaging, that are fractional anisotropy and mean diffusivity, were used as benchmark for diffusion MRI (dMRI). Finally, T1-weighted images were also considered for the sake of comparison with the state-of-the-art. A CNN model was fit to each feature map and layerwise relevance propagation (LRP) heatmaps were generated for each model, target class and subject in the test set. Average heatmaps were calculated across correctly classified patients and size-corrected metrics were derived on a set of regions of interest to assess the LRP contrast between the two classes. Main results. Our results demonstrated that dMRI features extracted in grey matter tissues can help in disambiguating primary progressive multiple sclerosis from relapsing-remitting multiple sclerosis patients and, moreover, that LRP heatmaps highlight areas of high relevance which relate well with what is known from literature for MS disease. Significance. Within a patient stratification task, LRP allows detecting the input voxels that mostly contribute to the classification of the patients in either of the two classes for each feature, potentially bringing to light hidden data properties which might reveal peculiar disease-state factors.
Online Delivery and Assessment during COVID-19: Safeguarding Academic Integrity

Globally, the number of COVID-19 cases continues to rise daily despite strict measures being adopted by many countries Consequently, universities closed down to minimise the face-to-face contacts, and the majority of the universities are now conducting degree programmes through online delivery Remote online delivery and assessment are novel experiences for many universities, which presents many challenges, particularly when safeguarding academic integrity For example, invigilated assessments, often considered as more secure, are not an option given the current situation and detecting any cheating would be significantly challenging This paper reviews assessment security in the digital domain and critically evaluates the practices from different universities in safeguarding academic integrity, including associated challenges