Covariation of Mathematics Achievement and General Cognitive Ability in Twins

Maricela Alarcón, Valerie S Knopik, John C DeFries

Open source

DOI: 10.1016/s0022-4405(99)00037-0
Published: 2000-01
Container: Journal of School Psychology
Publisher: Elsevier BV
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. Source: Crossref; license: CC0 metadata
supportingDOI resolves: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
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. Source: DOAJ; license: CC0
not scoredMEDLINE indexed: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredOpenAlex core source: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredKnown publisher allow-list: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredROR affiliation: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredRetraction Watch retraction: No retraction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
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. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch correction: No correction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch reinstatement: No reinstatement notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredOpen access status: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication license: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication version: A publication version was supplied but is not scored. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer
supportingMetadata completeness: All 6 scored descriptive metadata groups are present. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer

Cite this work

BibTeX

@article{allodium:10.1016/s0022-4405-99-00037-0,
  title = {Covariation of Mathematics Achievement and General Cognitive Ability in Twins},
  author = {Maricela Alarcón and Valerie S Knopik and John C DeFries},
  year = {2000},
  journal = {Journal of School Psychology},
  doi = {10.1016/s0022-4405(99)00037-0},
  url = {https://doi.org/10.1016/s0022-4405(99)00037-0}
}

RIS

TY  - JOUR
TI  - Covariation of Mathematics Achievement and General Cognitive Ability in Twins
AU  - Maricela Alarcón
AU  - Valerie S Knopik
AU  - John C DeFries
PY  - 2000
JO  - Journal of School Psychology
DO  - 10.1016/s0022-4405(99)00037-0
UR  - https://doi.org/10.1016/s0022-4405(99)00037-0
ER  -

APA

Alarcón, M., Knopik, V. S., & DeFries, J. C. (2000). Covariation of Mathematics Achievement and General Cognitive Ability in Twins. Journal of School Psychology. https://doi.org/10.1016/s0022-4405(99)00037-0

Source records

crossref · retrieved 2026-09-27T08:38:12.214Z