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Nicora Placa

Observed name: Placa, Nicora
ORCID: 0000-0003-4926-3904
Observed ORCID: 0000-0003-4926-3904
OpenAlex ID: A5031746332
Participatory and Anticipatory Stages of Mathematical Concept Learning: Further Empirical and Theoretical Development
2016 · Martin A. Simon, Nicora Placa, et al. · Journal for Research in Mathematics Education · 56
Promoting a concept of fraction-as-measure: A study of the Learning Through Activity research program
2018 · Martin A. Simon, Nicora Placa, et al. · The Journal of Mathematical Behavior · 54
Towards an integrated theory of mathematics conceptual learning and instructional design: The Learning Through Activity theoretical framework
2018 · Martin A. Simon, Melike Kara, et al. · The Journal of Mathematical Behavior · 47
Fostering construction of a meaning for multiplication that subsumes whole-number and fraction multiplication: A study of the Learning Through Activity research program
2018 · Martin A. Simon, Melike Kara, et al. · The Journal of Mathematical Behavior · 38
Categorizing and promoting reversibility of mathematical concepts
2016 · Martin A. Simon, Melike Kara, et al. · Educational Studies in Mathematics · 31
Empirically-based hypothetical learning trajectories for fraction concepts: Products of the Learning Through Activity research program
2018 · Martin A. Simon, Nicora Placa, et al. · The Journal of Mathematical Behavior · 29
An empirically-based trajectory for fostering abstraction of equivalent-fraction concepts: A study of the Learning Through Activity research program
2018 · Melike Kara, Martin A. Simon, et al. · The Journal of Mathematical Behavior · 19
Promoting reinvention of a multiplication-of-fractions algorithm: A study of the Learning Through Activity research program
2018 · Martin A. Simon, Melike Kara, et al. · The Journal of Mathematical Behavior · 16
“I Don’t Back Away from a Fight”: Examining First Year Undergraduate Latinas’ Perseverance in STEM
2024 · Nicora Placa, Christine Nick, et al. · Journal for STEM Education Research · 8
Teachers’ perceptions and uptake of professional development overtime
2023 · Karen Koellner, Nanette Seago, et al. · International Journal of Educational Research Open · 7
Elementary preservice teachers' use of prompts to encourage student‐to‐student talk during simulated argumentation discussions
2024 · Heidi L. Masters, Pamela S. Lottero‐Perdue, et al. · School Science and Mathematics · 2
Disentangling the role of context and community in teacher professional development uptake
2020 · Karen Koellner, Nicora Placa, et al. · Mathematics Education Across Cultures: Proceedings of the 42nd Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education · 2
Prosodic Choice: Effects of Speaker Awareness and Referential Context
2000 · Jesse Snedeker, Lila R. Gleitman, et al. · eScholarship (California Digital Library) · 2
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Understanding Sustained Teacher After Participating in Mathematics Professional Learning
2024 · Nicora Placa, Karen Koellner, et al. · ICERI proceedings · 1
6 Tools for Collaborative Mathematics Coaching
2023 · Nicora Placa · Routledge eBooks · 1
Design Features That Support Mathematics Learning in Professional Development
2026 · Karen Koellner, Nicora Placa, et al. · EDULEARN proceedings
Designing for Change: Enacting and Sustaining Mathematics Professional Learning Across Contexts
2026 · Nicora Placa, Karen Koellner, et al. · EDULEARN proceedings
Teachers’ perceptions of professional learning and the associated factors 1-5 years after participation (Poster 49)
2026 · Olivia Bruner, Kiley Pooler, et al. · American Educational Research Association Annual Meeting (AERA)
Innovative Approaches to Stem Professional Development to Enhance Long Term Learning
2025 · Karen Koellner, Nicora Placa, et al. · ICERI proceedings
Sustained Instructional Change: Long Term Learning From Stem Professional Development
2025 · Karen Koellner, Nicora Placa, et al. · EDULEARN proceedings
Let’s Ask a Kid! Conducting Student Interviews
2024 · Nicora Placa · Mathematics Teacher Learning and Teaching PK-12
Listening to learn: investigating how teacher leaders elicit and attend to students’ mathematical thinking in clinical interviews
2023 · Nicora Placa · Journal of Mathematics Teacher Education
Visual Representations as a Support for Sustained Teacher Learning
2023 · Nicora Placa, Karen Koellner, et al. · ICERI proceedings
Connecting Professional Learning Design Features to Teacher Learning: a Longitudinal Case Study
2023 · Karen Koellner, Nicora Placa, et al. · ICERI proceedings
What is Collaborative Coaching?
2023 · Nicora Placa · Routledge eBooks
Works count: 35
Citation count: 313
H-index: 8
I10-index: 8
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