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Grounded theory

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https://www.readbyqxmd.com/read/28449195/reliable-estimation-of-inhibitory-efficiency-to-anticipate-choose-or-simply-react
#1
Inge Leunissen, Bram B Zandbelt, Zrinka Potocanac, Stephan P Swinnen, James P Coxon
Response inhibition is an important executive process studied by clinical and experimental psychologists, neurophysiologists, and cognitive neuroscientists alike. Stop-signal paradigms are popular because they are grounded in a theory that provides methods to estimate the latency of an unobservable process: the stop-signal reaction time (SSRT). Critically, SSRT estimates can be biased by skew of the response time distribution and gradual slowing over the course of the experiment. Here, we present a series of experiments that directly compare three common stop-signal paradigms that differ in the distribution of response times...
April 27, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28448955/ionization-spectroscopies-and-theoretical-calculations-of-cis-and-trans-3-fluoro-n-methylaniline-arn-n-1-2-van-der-waals-clusters-structures-and-binding-energies
#2
Lijuan Zhang, Dazhi Li, Min Cheng, Yikui Du, Qihe Zhu
The ab initio and dispersion-corrected density functional theory (DFT) calculations of the van der Waals (vdW) clusters of cis and trans 3-fluoro-N-methylaniline-Arn (3FNMA-Arn) (n=1,2) predict that, for cis and trans 3FNMA-Ar1 clusters, the π-bound geometry with the Ar atom sitting over the ring is the global minimum in both neutral and cationic states, while for cis and trans 3FNMA-Ar2 clusters, the [π|π]-bound sandwich structure with two Ar ligands occupying nearly equivalent π-bound positions above and below the ring plane is the global minimum...
April 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28447834/perspectives-of-low-income-chronically-ill-patients-on-complex-care-management
#3
Alice Y Mao, Rachel Willard-Grace, Leslie Dubbin, Louise Aronson, Alicia Fernandez, Nancy J Burke, Julia Finch, Elizabeth Davis
INTRODUCTION: Low-income, chronically ill adults disproportionately experience poor health outcomes despite increased health care use and costs. Complex care management (CCM) programs are an innovative approach to improving outcomes for these patients, but little is known about the patients' experiences in CCM programs in safety net primary care settings. METHOD: The authors conducted semistructured interviews with 13 CCM participants in a safety net primary care clinic to explore their perceptions of their health and their experiences with CCM...
April 27, 2017: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/28446096/band-5-nurses-perceptions-and-experiences-of-professional-development
#4
Susan Wilkinson, Richard Hayward
Aim The aim of this qualitative study was to explore band 5 nurses' perceptions and experiences of professional development in an acute care provider to identify what, if any, effect these have on their job satisfaction and intention to stay in post. Method An adapted grounded theory approach was used. Theoretical sampling identified band 5 nurses in their first 24 months of employment in the trust. Data were collected through focus groups and analysed using the constant comparative method. Results Findings suggest that the provision of, and support for, development opportunities affect nurses' job satisfaction, and investment in these opportunities is likely to improve staff retention...
April 27, 2017: Nursing Management (Harrow)
https://www.readbyqxmd.com/read/28445221/changes-in-personal-relationships-during-residency-and-their-effects-on-resident-wellness-a-qualitative-study
#5
Marcus Law, Michelle Lam, Diana Wu, Paula Veinot, Maria Mylopoulos
PURPOSE: Residency poses challenges for residents' personal relationships. Research suggests residents rely on family and friends for support during their training. The authors explored the impact of residency demands on residents' personal relationships and the effects changes in those relationships could have on their wellness. METHOD: The authors used a constructivist grounded theory approach. In 2012-2014, they conducted semistructured interviews with a purposive and theoretical sample of 16 Canadian residents from various specialties and training levels...
April 25, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28444536/a-qualitative-look-into-israeli-genetic-experts-insights-regarding-culturally-competent-genetic-counseling-and-recommendations-for-its-enhancement
#6
Merav Siani, Orit Ben-Zvi Assaraf
The aim of this study is to describe the perceptions and recommendations of Israeli genetic experts in regard to culturally competent genetic counseling. Qualitative data was collected from 15 semi-structured interviews with Israeli genetics experts. Recurring themes were identified using "thematic analysis" and coded by means of "grounded theory". Our analysis divides data from the genetic experts' interviews into four main themes: Why is culturally competent genetic counseling important? (Describing its contribution to individuals and to society); who is the recipient of culturally competent genetic counseling? (Differentiating the needs of counselees based on genetic education, cultural/religious characteristics and geographic location); what should we include in culturally competent genetic counseling? (Addressing the contents that counseling should convey); how should we perform culturally competent genetic counseling? (Addressing the methods that counseling should employ)...
April 25, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28444495/establishing-meaningful-benchmarks-the-development-of-a-formative-feedback-tool-for-advanced-laparoscopic-suturing
#7
Katherine M McKendy, Yusuke Watanabe, Elif Bilgic, Ghada Enani, Amani Munshi, Lawrence Lee, Liane S Feldman, Gerald M Fried, Melina C Vassiliou
BACKGROUND: Time and accuracy are commonly used metrics to assess laparoscopic skills in a simulated environment. However, they do not provide trainees with meaningful information about how to improve their skills. The objective of this study was to provide preliminary validity evidence for the creation a formative feedback tool (FFT) for advanced laparoscopic suturing skills. METHODS: Videotapes of senior surgical residents (PGY3-5; SRs) and minimally invasive surgeons (MIS) performing 3 advanced laparoscopic suturing tasks were analyzed: needle handling (NH), suturing under tension (UT), and continuous suturing (CS)...
April 25, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28443930/a-multiconfigurational-approach-to-the-electronic-structure-of-trichromium-extended-metal-atom-chains
#8
M Spivak, V Arcisauskaite, X López, J E McGrady, C de Graaf
Density functional theory, Complete Active Space Self-Consistent Field (CASSCF) and perturbation theory (CASPT2) methodologies have been used to explore the electronic structure of a series of trichromium Extended Metal Atom Chains (EMACS) with different capping ligands. The study is motivated by the very different structural properties of these systems observed in X-ray experiments: the CN(-)-capped example has a symmetric Cr3 unit while for the NO3(-)-capped analogue the same unit has two very different Cr-Cr bond lengths...
April 26, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28443858/multi-state-nonadiabatic-deactivation-mechanism-of-coumarin-revealed-by-ab-initio-on-the-fly-trajectory-surface-hopping-dynamic-simulation
#9
Yanzhen Gan, Ling Yue, Xugeng Guo, Chaoyuan Zhu, Zexing Cao
An on-the-fly trajectory surface hopping dynamic simulation has been performed for revealing the multi-state nonadiabatic deactivation mechanism of coumarin. The mechanism involves three adiabatic excited states, S3(ππ*Lb), S2(nπ*, ππ*La) and S1(ππ*La, nπ*), and the ground state S0 at the four state-averaged complete active space self-consistent field, SA4-CASSCF(12,10)/6-31G* level of theory. Upon photoexcitation to the third excited state S3(ππ*Lb) in the Franck-Condon region, 80% sampling trajectories decay to the dark S2(nπ*) state within an average of 5 fs via the conical intersection S3(ππ*Lb)/S2(nπ*), while 20% decay to the S2(ππ*La) state within an average of 11 fs via the conical intersection S3(ππ*Lb)/S2(ππ*La)...
April 26, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28443848/semiempirical-modeling-of-electrochemical-charge-transfer
#10
Rebecca L Gieseking, Mark A Ratner, George C Schatz
Nanoelectrochemical experiments using detection based on tip enhanced Raman spectroscopy (TERS) show a broad distribution of single-molecule formal potentials E°' for large π-conjugated molecules; theoretical studies are needed to understand the origins of this distribution. In this paper, we present a theoretical approach to determine E°' for electrochemical reactions involving a single molecule interacting with an electrode represented as a metal nanocluster and apply this method to the Ag20-pyridine system...
April 26, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28441539/a-quantum-chemical-insight-into-the-tunable-fluorescence-color-and-distinct-photoisomerization-mechanisms-between-a-novel-esipt-fluorophore-and-its-protonated-form
#11
Huijuan Yuan, Songyan Feng, Keke Wen, Qiuling Zhu, Beibei An, Xugeng Guo, Jinglai Zhang
Enol-keto proton tautomerization and cis-trans isomerization reactions of a novel excited-state intramolecular proton transfer (ESIPT) fluorophore of BTImP and its protonated form (BTImP(+)) were explored using density functional theory/time-dependent density functional theory (DFT/TD-DFT) computational methods with a B3LYP hybrid functional and the 6-31+G(d,p) basis set. In addition, the absorption and fluorescence spectra were calculated at the TD-B3LYP/6-31+G(d,p) level of theory. Our results reveal that both BTImP and BTImP(+) can undergo an ultrafast ESIPT reaction, giving rise to the single fluorescence emission with different fluorescence colors, which are nicely consistent with the experimental findings...
April 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28441519/grounding-principles-for-inferring-agency-two-cultural-perspectives
#12
Bethany L Ojalehto, Douglas L Medin, Salino G García
The present research investigates cultural variation in grounding principles for inferring agency in order to address an important theoretical debate: does cultural diversity in agency concepts reflect an animistic overextension of (universal) folkpsychology, as many have argued, or an alternative theory of folkcommunication based on relational principles? In two experiments, mind perception measures were adapted to assess beliefs concerning the agency of non-animal kinds (plants, abiotic kinds, complex artifacts) among Indigenous Ngöbe adults in Panama and US college students...
April 22, 2017: Cognitive Psychology
https://www.readbyqxmd.com/read/28441140/teaching-trainees-how-to-critically-evaluate-the-literature-a-crossover-study-at-two-pediatric-residency-programs
#13
Benjamin Nelson, Catherine Ingard, David Nelson
Objectives: The purpose of this study was to assess the efficacy of a concise, evidence based medicine curriculum in improving the knowledge of pediatric residents at two institutions. Methods: Sixty first and second year pediatric residents at MassGeneral Hospital for Children and MedStar Georgetown University Hospital participated in a crossover study. The evidence based medicine curriculum, consisting of 4 ninety minute sessions grounded in adult learning theory principles, was developed using the methodology described in the book 'Studying a Study'...
April 24, 2017: International Journal of Medical Education
https://www.readbyqxmd.com/read/28440641/thermochemical-investigations-of-hydrated-nickel-dication-complexes-by-threshold-collision-induced-dissociation-and-theory
#14
Rebecca A Coates, Peter B Armentrout
The experimental bond energies of Ni2+(H2O)x complexes, where x = 4 - 11, are determined by threshold collision-induced dissociation using a guided ion beam tandem mass spectrometer with an electrospray ionization source. The electrospray ionization source produces a distribution of Ni2+(H2O)x complexes, where an in-source fragmentation technique is employed to access the x = 4 - 6 complexes and control the population of excited isomers. The kinetic energy dependent cross sections are modeled to yield 0 K bond energies for sequential loss of neutral water molecules, which are converted to 298 K binding energies...
April 25, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28440587/risk-benefit-perception-of-pregnancy-among-breast-cancer-survivors
#15
P-L Hsieh, S-M Huang, L-Y Chien, C-F Lee, Y Hsiung, C-J Tai
Helping breast cancer patients who desire a pregnancy after cancer treatment is a vital issue. Little is known about the complex context of the decision to become pregnant after breast cancer treatment. The purpose of this study was to understand the risk-benefit perception of choosing conception or contraception after treatment in Taiwan. We applied grounded theory to guide this exploratory qualitative study. Data were collected through in-depth interviews with 16 breast cancer patients. Pregnancy was addressed in the context of cancer as a potentially life-threatening diagnosis and its treatment...
April 25, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28439727/barriers-to-information-provision-regarding-breast-cancer-and-its-treatment
#16
Heather J Campbell-Enns, Roberta L Woodgate, Harvey M Chochinov
PURPOSE: Women with breast cancer require information about their cancer and its treatment during the process of treatment decision-making, yet it is unclear if there are barriers to information support. This study explores the experience of making treatment decisions in breast cancer, paying particular attention to the barriers experienced to the provision of information. METHODS: Using a grounded theory methodology, semi-structured interviews were conducted with 22 women with invasive breast cancer exploring the experience of treatment decision-making...
April 24, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28438728/designing-patient-centered-text-messaging-interventions-for-increasing-physical-activity-among-participants-with-type-2-diabetes-qualitative-results-from-the-text-to-move-intervention
#17
Gabrielle N Horner, Stephen Agboola, Kamal Jethwani, Aswita Tan-McGrory, Lenny Lopez
BACKGROUND: Type 2 diabetes mellitus (T2DM) is a disease affecting approximately 29.1 million people in the United States, and an additional 86 million adults have prediabetes. Diabetes self-management education, a complex health intervention composed of 7 behaviors, is effective at improving self-care behaviors and glycemic control. Studies have employed text messages for education, reminders, and motivational messaging that can serve as "cues to action," aiming to improve glucose monitoring, self-care behaviors, appointment attendance, and medication adherence...
April 24, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28437750/becoming-comfortable-with-my-epilepsy-strategies-that-patients-use-in-the-journey-from-diagnosis-to-acceptance-and-disclosure
#18
Sinead Pembroke, Agnes Higgins, Niall Pender, Naomi Elliott
OBJECTIVE: Proponents of resilience theory have highlighted the importance of understanding the processes of resilience. The objective of the study was to explore how people with epilepsy reach a stage of being comfortable with their epilepsy. Identifying the processes used is important to developing effective self-management for people who are newly diagnosed with epilepsy. METHOD: A grounded theory approach involving forty-nine consenting adult people with epilepsy (18 years and over), was used to explore their first-hand experiences of coming to terms with their epilepsy...
April 19, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28437101/ground-state-and-excited-state-tuning-in-ferric-dipyrrin-complexes-promoted-by-ancillary-ligand-exchange
#19
Claudia Kleinlein, Shao-Liang Zheng, Theodore A Betley
Three ferric dipyrromethene complexes featuring different ancillary ligands were synthesized by one electron oxidation of ferrous precursors. Four-coordinate iron complexes of the type ((Ar)L)FeX2 [(Ar)L = 1,9-(2,4,6-Ph3C6H2)2-5-mesityldipyrromethene] with X = Cl or (t)BuO were prepared and found to be high-spin (S = (5)/2), as determined by superconducting quantum interference device magnetometry, electron paramagnetic resonance, and (57)Fe Mössbauer spectroscopy. The ancillary ligand substitution was found to affect both ground state and excited properties of the ferric complexes examined...
April 24, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28436048/dealing-with-the-tension-how-residents-seek-autonomy-and-participation-in-the-workplace
#20
Francisco M Olmos-Vega, Diana H J M Dolmans, Nicolas Vargas-Castro, Renée E Stalmeijer
CONTEXT: The workplace can be a strenuous setting for residents: although it offers a wealth of learning opportunities, residents find themselves juggling their responsibilities. Even though supervisors regulate what is afforded to residents, the former find it difficult to strike the proper balance between residents' independence and support, which could create tensions. But what tensions do residents experience during clinical supervision and how do they cope with them to maximise their learning opportunities? Understanding how residents act on different affordances in the workplace is of paramount importance, as it influences their learning...
April 24, 2017: Medical Education
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