The effectiveness of goal-free problems for studying triangle similarity in collaborative groups
- DOI
- 10.23917/jramathedu.v6i1.11198
- Published
- 2020-12-16
- Container
- JRAMathEdu (Journal of Research and Advances in Mathematics Education)
- Publisher
- Universitas Muhammadiyah Surakarta
- Open access
- unknown
Credibility signals
uncertain Score 64/100 under policy 1.0.0. This is a metadata assessment, not a judgment of the paper's conclusions.
Show all credibility signals
- supportingDOI registered: A matching record was returned by Crossref.
- supportingDOI resolves: A matching record was returned by Crossref.
- not scoredDirectory of Open Access Journals: No matching DOAJ record was present in this response. No allow-list match; this is not evidence of low credibility.
- not scoredMEDLINE indexed: Not checked or no result supplied; no credibility inference made.
- not scoredOpenAlex core source: Not checked or no result supplied; no credibility inference made.
- not scoredKnown publisher allow-list: Not checked or no result supplied; no credibility inference made.
- not scoredROR affiliation: Not checked or no result supplied; no credibility inference made.
- not scoredRetraction Watch retraction: No retraction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- not scoredRetraction Watch expression of concern: No expression of concern notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- not scoredRetraction Watch correction: No correction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- not scoredRetraction Watch reinstatement: No reinstatement notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- not scoredOpen access status: Not checked or no result supplied; no credibility inference made.
- not scoredPublication license: Not checked or no result supplied; no credibility inference made.
- not scoredPublication version: A publication version was supplied but is not scored.
- supportingMetadata completeness: All 6 scored descriptive metadata groups are present.
Cite this work
BibTeX
@article{allodium:10.23917/jramathedu.v6i1.11198,
title = {The effectiveness of goal-free problems for studying triangle similarity in collaborative groups},
author = {Pratama Wahyu Purnama and Endah Retnowati},
year = {2020},
journal = {JRAMathEdu (Journal of Research and Advances in Mathematics Education)},
doi = {10.23917/jramathedu.v6i1.11198},
url = {https://doi.org/10.23917/jramathedu.v6i1.11198}
}RIS
TY - JOUR TI - The effectiveness of goal-free problems for studying triangle similarity in collaborative groups AU - Pratama Wahyu Purnama AU - Endah Retnowati PY - 2020 JO - JRAMathEdu (Journal of Research and Advances in Mathematics Education) DO - 10.23917/jramathedu.v6i1.11198 UR - https://doi.org/10.23917/jramathedu.v6i1.11198 ER -
APA
Purnama, P. W., & Retnowati, E. (2020). The effectiveness of goal-free problems for studying triangle similarity in collaborative groups. JRAMathEdu (Journal of Research and Advances in Mathematics Education). https://doi.org/10.23917/jramathedu.v6i1.11198
Source records
- crossref · retrieved 2026-09-26T04:23:45.058Z