Claims

16.08% of student programs contained unnecessary statements

Claim · All claims
Evidence · 1 study · design r2 · q2
Currency · newest study 2014 · not yet checked against its sources · not reviewed by a person

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.

q2 i? 109 of 678 analysed programs (16.08%) contained statements unnecessary for achieving the program goal. → Weragama 2014

Evidence

Weragama 2014

Weragama, D. & Reye, J. (2014). Analysing Student Programs in the PHP Intelligent Tutoring System. Int J Artif Intell Educ 24:162–188. https://doi.org/10.1007/s40593-014-0014-z

q2 · i? · design · r2

Analysis of the 678 student programs using the status-flow mechanism to detect statements not contributing to the Overall Goal. "109 contained statements which were unnecessary", representing "16.08 % of the total number of programs".

"Of the 678 programs analysed during this study, 109 contained statements which were unnecessary. This is 16.08 % of the total number of programs and is therefore a considerable issue for novice programmers."

Discussion

Page metadata
Field Value
type claim
id php-its-unnecessary-statements-prevalence
title 16.08% of student programs contained unnecessary statements
description 16.08% of student programs contained unnecessary statements
status review
evidence_strength moderate
newest_evidence 2014
generated by process:wiki-ingest on 2026-10-28
trust unverified — no one has confirmed this page's content
sources 1 — weragama-2014

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