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result(s) for
"Thomas Hunt"
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Slower is not always better: Response-time evidence clarifies the limited role of miserly information processing in the Cognitive Reflection Test
by
Stupple, Edward J. N.
,
Steel, Richard
,
Ball, Linden J.
in
Analysis
,
Bias
,
Biology and Life Sciences
2017
We report a study examining the role of 'cognitive miserliness' as a determinant of poor performance on the standard three-item Cognitive Reflection Test (CRT). The cognitive miserliness hypothesis proposes that people often respond incorrectly on CRT items because of an unwillingness to go beyond default, heuristic processing and invest time and effort in analytic, reflective processing. Our analysis (N = 391) focused on people's response times to CRT items to determine whether predicted associations are evident between miserly thinking and the generation of incorrect, intuitive answers. Evidence indicated only a weak correlation between CRT response times and accuracy. Item-level analyses also failed to demonstrate predicted response-time differences between correct analytic and incorrect intuitive answers for two of the three CRT items. We question whether participants who give incorrect intuitive answers on the CRT can legitimately be termed cognitive misers and whether the three CRT items measure the same general construct.
Journal Article
Abscisic and Jasmonic Acids Contribute to Soybean Tolerance to the Soybean Aphid (Aphis glycines Matsumura)
2018
Plant resistance can provide effective, economical, and sustainable pest control. Tolerance to the soybean aphid has been identified and confirmed in the soybean KS4202. Although its resistance mechanisms are not fully understood, evidence suggests that enhanced detoxification of reactive oxygen species (ROS) is an active system under high aphid infestation. We further explored tolerance by evaluating the differences in constitutive and aphid-induced defenses in KS4202 through the expression of selected defense-related transcripts and the levels of the phytohormones abscisic acid (ABA), jasmonic acid (JA), JA-isoleucine (JA-Ile), cis-(+)-12-oxo-phytodienoic acid (OPDA), and salicylic acid (SA) over several time points. Higher constitutive levels of ABA and JA, and basal expression of ABA- and JA-related transcripts were found in the tolerant genotype. Conversely, aphid-induced defenses in KS4202 were expressed as an upregulation of peroxidases under prolonged aphid infestation (>7 days). Our results point at the importance of phytohormones in constitutive defense in KS4202 tolerance to the soybean aphid. Understanding the underlying mechanisms of tolerance will assist breeding for soybean with these traits, and perhaps help extend the durability of
Rag (Resistance to Aphis glycines)
-mediated resistance genes.
Journal Article
Jerome of Stridon and the Ethics of Literary Production in Late Antiquity
2020,2019
Jerome of Stridon and the Ethics of Literary Production in Late Antiquity offers a new account of the development of Jerome's work in the period 386-393CE. Focusing on his commentaries, his translation projects, and his work against heresy, it argues that Jerome has a consistent theology of language and embodiment.
Professional Networking for Health Information Management/Technology Students and New Graduates: A Survey of HIM Professionals in Michigan
The purpose of this survey was to gather advice on professional networking to assist health information management/technology students and new graduates. An online survey was sent to members of the Michigan Health Information Management Association (MHIMA) through a series of e-mails with 119 responses. Open-ended questions were analyzed using qualitative summative content analysis. Overall trends identified from the advice were to be active in the health information management (HIM) community and engage in positive relationships while avoiding negative or self-centered behaviors. Online networking activities were also recommended to be included in the process although not as the only means of networking. Attending regional and state HIM association events and volunteering with regional associations were selected most often as effective networking activities.
Journal Article
Imperial Collapse and Christianization in Patristic Scholarship during the Final Decades of Colonial Algeria, 1930–1962
2021
The work of H.-I. Marrou is important in historiographic accounts of the development of patristic studies and late antiquity. From the 1930s onwards, Marrou and his peers made use of material evidence from North Africa produced by the rapidly professionalizing discipline of archaeology. Archaeological engagement with the past was determined by the wider colonial context in which these excavations took place and this shaped the representation of late ancient Christianity, particularly the life and work of Augustine of Hippo. At the same time, however, Augustine's work gave Marrou the means to challenge France's prosecution of the Algerian War.
Journal Article
B –N/ B –H Transborylation: borane-catalysed nitrile hydroboration
2022
The reduction of nitriles to primary amines is a useful transformation in organic synthesis, however, it often relies upon stoichiometric reagents or transition-metal catalysis. Herein, a borane-catalysed hydroboration of nitriles to give primary amines is reported. Good yields (48–95%) and chemoselectivity (e.g., ester, nitro, sulfone) were observed. DFT calculations and mechanistic studies support the proposal of a double B –N/ B –H transborylation mechanism.
Journal Article
Battle in the New World: Helicoverpa armigera versus Helicoverpa zea (Lepidoptera: Noctuidae)
by
Paula-Moraes, Silvana V.
,
Specht, Alexandre
,
Baldin, Edson L. L.
in
Agricultural ecosystems
,
Agricultural management
,
Agricultural practices
2016
The corn earworm Helicoverpa zea (Boddie) and the old world bollworm Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) are allopatric species and occur in important agricultural crops. In maize, both species tend to infest the ear. The introduction of H. armigera in Brazil has created a new scenario, where these Helicoverpa species might cohabit and interact with one another, affecting the prevalence of each species in the agroecosystem, integrated pest management, and insect resistance management. In this study, larval occurrence and proportion of these species in maize was assessed in three regions of Brazil during three crop seasons. Interaction between the species was evaluated in interspecific and intraspecific scenarios under laboratory and field conditions. Helicoverpa zea was predominant in Rio Grande do Sul and the Planaltina, DF (central Brazil). In western Bahia, H. zea was predominant in the first collection, but approximately equal in number to H armigera in the second crop season. Both species exhibit high cannibalism/predation rates, and larval size was the primary factor for larval survival in the interaction studies. Larva of H. zea had higher survival when interacting with H. armigera, indicating that H. zea has an advantage in intraguild interactions with H. armigera in maize. Overall, the results from this study indicate that maize might play a role as a source of infestation or a sink of insecticide or Bt protein unselected H. armigera populations, depending on the H. zea:H. armigera intraguild competition and adult movement in the landscape.
Journal Article
The balance between B55α and Greatwall expression levels predicts sensitivity to Greatwall inhibition in cancer cells
2025
The Greatwall kinase inhibits PP2A-B55 phosphatase activity during mitosis to stabilise critical Cdk1-driven mitotic phosphorylation. Although Greatwall represents a potential oncogene and prospective therapeutic target, our understanding of the cellular and molecular consequences of chemical Greatwall inactivation remains limited. To address this, we introduce C-604, a highly selective Greatwall inhibitor, and characterise both immediate and long-term cellular responses to the chemical attenuation of Greatwall activity. We demonstrate that Greatwall inhibition causes systemic destabilisation of the mitotic phosphoproteome, premature mitotic exit and pleiotropic cellular pathologies. Importantly, we show that the cellular and molecular abnormalities associated with reduced Greatwall activity are specifically dependent on the B55α isoform, rather than other B55 variants, underscoring PP2A-B55α phosphatases as key mediators of the cytotoxic effects of Greatwall-targeting agents in human cells. Additionally, we establish that sensitivity to Greatwall inhibition varies in different cell line models and that dependency on Greatwall activity reflects the balance between Greatwall and B55α expression levels. Our findings highlight Greatwall dependency as a cell-specific vulnerability and propose the B55α-to-Greatwall expression ratio as a predictive biomarker of cellular responses to Greatwall-targeted therapeutics.
The authors develop and characterise a selective Greatwall inhibitor, C-604, and show that its cytotoxicity stems from PP2A-B55α hyperactivation. They identify B55α and Greatwall levels as biomarkers of responses to Greatwall-targeted therapy.
Journal Article
Relations between Math Achievement, Math Anxiety, and the Quality of Parent–Child Interactions While Solving Math Problems
by
Osana, Helena P.
,
Trepiak, Philip
,
DiStefano, Michela
in
Academic achievement
,
Anxiety
,
Behavior
2023
In the current study, we used a multi-method approach to understand the quality of math homework-helping interactions between parents and their children and how parents’ and children’s own math achievement and math anxiety relate to the quality of the interaction. Forty Canadian parents and their children (ages 10–12 years; grades 5 to 7) completed self-report measures of math and general anxiety. Parents and children completed standardized assessments of math achievement and were then recorded as they engaged in a simulated math homework interaction. Coders assessed parent–child interaction quality during the interaction. Parent–child dyads generally performed well on the simulated math homework task. Nevertheless, task performance was correlated with the quality of the interaction, with high-quality interactions associated with high accuracy on the math task. Furthermore, the variability in the quality of the interaction was associated with parents’ and children’s math achievement and with the math anxiety of the children, but not the parents. Identifying the elements that influence parent–child interactions in math-related situations is essential to developing effective interventions to scaffold children’s math learning and attitudes.
Journal Article
Further development of the Children's Mathematics Anxiety Scale UK (CMAS-UK) for ages 4-7 years
by
Petronzi, Dominic
,
Sheffield, David
,
Staples, Paul
in
Anxiety
,
Correlation
,
Discriminant analysis
2019
There are currently many mathematics anxiety rating scales designed typically for adult and older children populations, yet there remains a lack of assessment tools for younger children (< 7 years of age) despite a recent focus on this age range. Following previous testing and validation, the 26-item iteration of the Children's Mathematics Anxiety Scale UK (CMAS-UK) for ages 4-7 years was further validated with 163 children (4-7 years) across two schools in the UK to test the validity and reliability of the items through subsequent exploratory and confirmatory factor analysis. The predictive validity of the scale was also tested by comparing scale scores against mathematics performance on a mathematics task to determine the relationship between scale and mathematics task scores. Exploratory factor analysis and associated parallel analysis indicated a 19-item scale solution with appropriate item loadings (> 0.45) and high internal consistency (α = 0.88). A single factor model of Online Mathematics Anxiety was related to the experience of an entire mathematics lesson, from first entering the classroom to completing a task. A significant negative correlation was observed between the CMAS-UK and mathematics performance scores, suggesting that children who score high for mathematics anxiety tend to score to perform less well on a mathematics task. Subsequent confirmatory factor analysis was conducted to test a range of module structures; the shortened 19-item CMAS-UK was found to have similar model indices as the 26-item model, resulting in the maintenance of the revised scale. To conclude, the 19-item CMAS-UK provides a reliable assessment of children's mathematics anxiety and has been shown to predict mathematics performance. This research points towards the origins of mathematics anxiety occurring when number is first encountered and supports the utility of the CMAS-UK. Subsequent research in the area should consider and appropriately define an affective component that may underlie mathematics anxiety at older ages. Mathematics anxiety relates to more complex procedures that elude the experiences of younger children and may instead be the result of number-based experiences in the early years of education.
Journal Article