Post size is not a reliable tie weight for centrality measures; receiving interactions better indicates the value of a contribution.¶
Claim · All claims
Evidence · 1 study · associationalr2·q3
Currency · newest study 2020 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2023: tool and model accuracy changes quickly
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? Weighting network ties by post size produced less robust correlations, and the article interprets that incoming interactions (indegree) reflect a post's value better than its sheer size. → Mohammed Saqr 2020
Evidence¶
Mohammed Saqr 2020¶
Mohammed Saqr, et al. (2020). Capturing the participation and social dimensions of computer-supported collaborative learning through social network analysis: which method and measures matter? International Journal of Computer-Supported Collaborative Learning 15:227–248. https://doi.org/10.1007/s11412-020-09322-6
q3 · i? · associational · r2
Observational analysis comparing weighted (post-character) networks with multigraph and simplified ones across the 12 courses. The article reports "post size was not a reliable weight" and interprets that students posting long text may copy-paste or neglect quality, drawing fewer replies. It also notes an initial analysis using duplicate-link counts gave identical indegree/outdegree results.
"The findings have also demonstrated that post size was not a reliable weight. A possible explanation may be the possibility that students who posted large chunks of text tended to care less about text quality and/or they copy-pasted content from the Internet. Nonetheless, such posts received fewer interactions."
Discussion¶
Related Claims¶
- Multigraph indegree centrality is consistently and positively correlated with student performance across 12 PBL courses, with stronger correlations than other configurations in eight courses — related
- Multigraph outdegree centrality is the most robust participation indicator, with significant positive correlations in all courses, while weighted outdegree was negatively correlated in two courses — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
post-size-unreliable-tie-weight |
title |
Post size is not a reliable tie weight for centrality measures; receiving interactions better indicates the value of a contribution. |
description |
Post size is not a reliable tie weight for centrality measures; receiving interactions better indicates the value of a contribution. |
status |
review |
evidence_strength |
weak |
newest_evidence |
2020 |
recheck_by |
2023 |
generated |
by process:wiki-ingest on 2026-10-18 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — mohammed-saqr-2020 |
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