Paper Citation Record · LEDGER

On an EM-based closed-form solution for 2 parameter IRT models

As of 13 August 2026, this Paper Citation Record lists 29 of 29 outbound references and 0 inbound Pith citation observations for arXiv:2411.18351.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2411.18351 v1

Coverage vector

measured 29 of 29 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-12T11:21:24.618826Z

measured 29 of 29 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-13T06:32:02.005865+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

29 of 29 outbound references displayed

verified exact1
verified fuzzy9
unresolved19
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 4170de59-cfd7-42d7-8fea-9ecccb580c0f · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.959881Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 6438b3fc-893a-47a0-aa59-f269f37b3a6e · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.950145Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 4eb71939-2dcb-4907-b473-50a0eba01111 · outbound

This paper cites D., & Aitkin, M.

On an EM-based closed-form solution for 2 parameter IRT models D., & Aitkin, M

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.939766Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation a895ec76-8166-48d7-a108-a7b8b9810e9c · outbound

This paper cites D., & Lieberman, M.

On an EM-based closed-form solution for 2 parameter IRT models D., & Lieberman, M

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.929257Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation cd89da49-785f-48c9-bf89-7ae0b86fc49f · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 5

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.919225Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation c000c998-2542-419c-b5f0-2f66ddbd2caf · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 6

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.908223Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 516448dc-2d8d-4e26-b59c-1eac28ae537f · outbound

This paper cites P., Laird, N.

On an EM-based closed-form solution for 2 parameter IRT models P., Laird, N

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.898059Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 409c78dc-e981-4ff9-937f-9d72b5aa52db · outbound

This paper cites R., Baker, F.

On an EM-based closed-form solution for 2 parameter IRT models R., Baker, F

Reference 8

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.887921Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation f265a4ab-62ef-4c8e-b66a-0d938f282667 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 9

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.876659Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 8b15370d-2c22-42d8-be16-771be1061c75 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 10

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.865806Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 6cc19254-4bdb-4fd3-a118-c88fcd1eb642 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 11

Resolution: verified exact; doi, observed 2026-08-12T11:21:24.649689Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 81d64ed4-b534-488d-a723-d6a81ad1bcda · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 12

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.853783Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 72c51a73-5fab-410f-bacd-8309516cab1c · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 13

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.843183Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 16626f49-407d-4002-bce5-042d04c88e4a · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.832140Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 88af3953-f24b-4300-a677-220a319d58b3 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 15

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.820470Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 7d292ac4-028b-4574-8534-8e270560b936 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 16

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.809522Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 9b42e1d5-aab0-4835-bb02-f9e30af3e1ea · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 17

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.798373Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 2d186dd7-6eda-4263-a1d2-b5a9af646d0d · outbound

This paper cites Contributions to factor analysis of dichotomous variables.

On an EM-based closed-form solution for 2 parameter IRT models Contributions to factor analysis of dichotomous variables

Reference 18

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.786334Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation d7291f90-6696-4af3-b2b4-4210c7cd04e7 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 19

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.773492Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 21857202-5b00-4b9e-b75b-e0379c08d02d · outbound

This paper cites R: A Language and Environment for Statistical Computing.

On an EM-based closed-form solution for 2 parameter IRT models R: A Language and Environment for Statistical Computing

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-12T11:21:24.581901Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c41581b6-fd16-459c-9be9-5490947b4a34 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 21

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.753129Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 27b8a62c-9253-4b53-a561-9190d4c7c8ea · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 22

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.743276Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation ea2df8f4-173f-4d22-be50-93bfc85da514 · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 23

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.732243Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 825a4417-43a2-4a41-9ee0-2b9c2864eff6 · outbound

This paper cites E., & Tsutakawa, R.

On an EM-based closed-form solution for 2 parameter IRT models E., & Tsutakawa, R

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.719988Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 3f04a6bd-ba01-4b2b-8982-7479ad5cb7aa · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 25

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.708241Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 9bb4f4e2-0cd3-4cde-b60c-d6ebad9f75a1 · outbound

This paper cites (2024) tidyr: Tidy Messy Data.

On an EM-based closed-form solution for 2 parameter IRT models (2024) tidyr: Tidy Messy Data

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.697318Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation b465bad1-c0cd-4606-af53-b8104194cd26 · outbound

This paper cites G., Hauber, A.

On an EM-based closed-form solution for 2 parameter IRT models G., Hauber, A

Reference 27

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.685736Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 2395ce18-17f5-4051-b033-7e9cbb8b523b · outbound

This paper cites J., & Hanson, B.

On an EM-based closed-form solution for 2 parameter IRT models J., & Hanson, B

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-08-12T11:21:24.674020Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Observation 7364ba3b-89cd-4abf-98a4-37fb61635ead · outbound

This paper cites an unresolved cited work.

On an EM-based closed-form solution for 2 parameter IRT models Unresolved cited work

Reference 29

Resolution: unresolved; raw_fallback, observed 2026-08-12T11:21:24.661315Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.

Pith citing papers

No inbound Pith citation observations are available.