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236 results on '"Yang, Yiqiong"'

9. Feedback-related and Task-dependent Post-error Slowing

Author

Yang, Yiqiong

Subjects
Education, Psychology, Cognitive development, Learning, Computer-based experiment, Quantitative Behavior, Statistics
Abstract

Post-error slowing describes a delayed response in action after error commission. PES is a key metric of error monitoring that individuals possess self-reflective information processing, which is crucial for adaptive behaviour in learning. Studies seeking to ascertain the relationship between learning, feedback and PES remain rare. The current study aims to investigate the role task and feedback played in the magnitude of PES. Participants (N = 487, Mage = 23.77 years, SD = 5.8) performed three cognitive tasks: Flanker, Numeric and Science knowledge task. A 2 (Type of trial) × 3 (Task) × 2 (Feedback) mixed ANOVA estimated by REML was conducted; participant was treated as a random effect. We found a significant PES effect where the post-error RT is slower than the post-correct RT. We also found a significant effect of task, feedback, and Task × Feedback interaction.

Published
2022

18. Bridging Executive Function and Metacognition through Post-Error Slowing

Author

Yang, Yiqiong and Ellefson, Michelle

Subjects
cognitive science
Abstract

Executive function and metacognition are two core concepts in cognitive psychology, yet research linking EF and metacognition directly remains rare. It has been suggested that error monitoring can be used as a window to study the association between EF and metacognition (Roebers, 2018). Error monitoring is indexed by post-error slowing, a phenomenon describing a delayed response in actions after error commissions. The present study uses hierarchical multiple regression to investigate whether EF and metacognition can both predict PES. Individual constructs of EF are measured by four computerised-based tasks. Metacognition is assessed by a simplified version of the Self-Regulated Learning Questionnaire (Dowson & McInerney, 2004). A total of 456 participants (M age of 11.9, SD = 0.92) are included in the final analysis. Results indicate that two EF constructs: inhibition and planning, predict corresponding PES in inhibition and planning tasks. Only the regulation component of metacognition predicts PES in the planning task.

Published
2021

29. Efficient removal of tetracycline hydrochloride over a Co-doped metal–organic framework MIL-125(Ti) derivate via Fenton-like catalysis.

Author

Yang, Yiqiong, Fang, Caihong, Chen, Heng, Chen, Xingru, Li, Xueling, and Nie, Longhui

Subjects
*CATALYTIC activity, *SALINE waters, *DOPING agents (Chemistry), *WASTEWATER treatment, *TETRACYCLINE
Abstract

Recently, metal–organic framework (MOF)/peroxymonosulfate (PMS) systems have shown great potential in the treatment of antibiotic-containing wastewater. Herein, a Co–Ti-400 Fenton-like catalyst was synthesized by calcining Co-doped MIL-125(Ti) (Co–Ti) at 400 °C. Co–Ti-400 revealed an excellent catalytic performance for tetracycline hydrochloride (TCH) removal by activating PMS in a wide pH range (pH = 2–11). Significantly, 96.2% of TCH was removed in 1 hour over the catalyst (70 mg L−1 of TCH, 0.2 g L−1 of catalyst, 1 mM PMS, and pH = 4). Furthermore, Co–Ti-400 exhibited enhanced catalytic activity and stability in four cycles compared to the uncalcined sample (Co–Ti). Radicals (·OH, O2˙−, and SO4˙−) and 1O2 were proved to be the main active species during TCH degradation. Notably, Co–Ti-400/PMS showed good anti-interference towards inorganic salts in water. A reasonable degradation mechanism was proposed based on LC-MS analysis. With its exceptional catalytic performance and broad pH adaptability, Co–Ti-400 can be considered a potential catalyst for antibiotic removal. [ABSTRACT FROM AUTHOR]

Published
2024
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49. Enhanced Visible-Light H2O2Production over Pt/g-C3N4Schottky Junction Photocatalyst

Author

Nie, Longhui, Chen, Heng, Wang, Jing, Yang, Yiqiong, and Fang, Caihong

Abstract

Photocatalytic for hydrogen peroxide (H2O2) production is thought as a promising technology owing to its clean and green properties with the cheap and easily available raw materials of H2O and O2. Herein, Pt/g-C3N4Schottky junction photocatalysts with ultralow Pt contents (0.025–0.1 wt %) were successfully fabricated by an impregnation-reduction method. It can efficiently reduce O2to generate H2O2without a sacrificial agent under visible-light irradiation. The yield of H2O2produced over Pt0.05/g-C3N4with the optimal 0.05 wt % Pt reached 31.82 µM, which was 2.46 times that of g-C3N4and higher than most of those in the literature. It also showed good stability in three repeated tests. The deposition of highly dispersed metal Pt nanoparticles with low and limited content can expose enough active Pt atoms, significantly enhance the separation efficiency of photogenerated carriers, and reduce its negative effect on H2O2decomposition, resulting in improved and outstanding efficiency of H2O2production. The ·O2–radicals were found to be the main active species. The mechanism of photocatalytic H2O2production was confirmed to be a two-step single electron route (O2+ e–? ·O2–? H2O2).

Published
2024
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