23 injured after substance sprayed at Osaka junior high school ⁠3%

By No Author⁠44%

7/17/2026, 8:51:00 AM

BS Summary: This article contains 6 faulty reasoning types, including Post Hoc (False Cause), Confirmation Bias, and Biased Writer Voice, with Unattributed Quote as the most egregious example at 25.6% saturation with 61 hits. Analysis detected 154 faulty-reasoning hits from 238 analyzed words, generating a BS Score of 13.6% and a BS Rank of ⁠3% (21,395 of 21,887 articles). This article is better (less manipulative) than 97.80% of the article peer group.

OSAKA – Twenty-three people, mainly students, were injured after an unknown substance was sprayed at a municipal junior high school in the city of Kaizuka, Osaka Prefecture, on Friday morning. 
According to the city’s board of education, 15 students and eight school staff members that include teachers said they were experiencing sore throats and skin irritation after the incident. 
None of them were said to be seriously injured. 
Around 10:40 a.m., an emergency call to police was made to report that a substance had been sprayed and that people had been injured. 
After arriving at the scene, the Osaka Prefectural Police detained a second-year male student of the school outside the school building. 
The boy has admitted to spraying a substance, and the police will investigate him on suspicion of causing injuries to others, sources said. 
The incident took place on the day of the school’s term-closing ceremony, after which the boy and a female student had a dispute, according to the sources. 
The school is in a residential area about 500 meters northeast of Mizuma Railway’s Mikeyamaguchi Station. 
A second-year male student, who was cleaning a classroom on the second floor of the school building when the incident happened, recalled a teacher rushing into the room and asking whether anybody was experiencing pain in their throats. 
The student expressed concern, saying, “I feel sorry for those injured.” 
Article reasoning-pattern comparisonThis article: 9.7%No Author: 3.2%The Japan Times: 3.5%Confirmation Bias9.7%This article: 0.0%No Author: 1.6%The Japan Times: 1.9%Anchoring Bias0.0%This article: 0.0%No Author: 3.9%The Japan Times: 4.7%Availability Heuristic0.0%This article: 0.0%No Author: 1.0%The Japan Times: 1.3%Representativeness Heuristic0.0%This article: 0.0%No Author: 0.2%The Japan Times: 0.6%Hindsight Bias0.0%This article: 0.0%No Author: 1.6%The Japan Times: 2.0%Overconfidence Bias0.0%This article: 0.0%No Author: 11.2%The Japan Times: 14.4%Framing Effect0.0%This article: 0.0%No Author: 0.4%The Japan Times: 0.9%Loss Aversion0.0%This article: 0.0%No Author: 0.8%The Japan Times: 1.3%Status Quo Bias0.0%This article: 0.0%No Author: 0.1%The Japan Times: 0.2%Sunk Cost Effect0.0%This article: 0.0%No Author: 4.7%The Japan Times: 4.7%Optimism Bias0.0%This article: 0.0%No Author: 2.4%The Japan Times: 3.3%Pessimism Bias0.0%This article: 3.8%No Author: 9.6%The Japan Times: 11.6%Negativity Bias3.8%This article: 0.0%No Author: 1.0%The Japan Times: 0.8%Self-Serving Bias0.0%This article: 0.0%No Author: 0.7%The Japan Times: 0.8%Fundamental Attribution Error0.0%This article: 0.0%No Author: 0.3%The Japan Times: 0.2%Actor-Observer Bias0.0%This article: 0.0%No Author: 1.1%The Japan Times: 1.0%In-Group Bias0.0%This article: 0.0%No Author: 0.4%The Japan Times: 0.8%Out-Group Homogeneity Bias0.0%This article: 0.0%No Author: 1.8%The Japan Times: 1.5%Halo Effect0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.1%Horn Effect0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.0%Dunning-Kruger Effect0.0%This article: 0.0%No Author: 1.9%The Japan Times: 2.2%Recency Bias0.0%This article: 0.0%No Author: 0.7%The Japan Times: 0.9%Primacy Effect0.0%This article: 0.0%No Author: 0.1%The Japan Times: 0.0%Blind-Spot Bias0.0%This article: 0.0%No Author: 0.2%The Japan Times: 0.2%Ad Hominem0.0%This article: 0.0%No Author: 0.1%The Japan Times: 0.1%Straw Man0.0%This article: 0.0%No Author: 4.8%The Japan Times: 5.5%Appeal to Authority0.0%This article: 0.0%No Author: 1.0%The Japan Times: 1.7%False Dilemma0.0%This article: 0.0%No Author: 0.6%The Japan Times: 1.0%Slippery Slope0.0%This article: 0.0%No Author: 0.2%The Japan Times: 0.2%Circular Reasoning0.0%This article: 0.0%No Author: 3.0%The Japan Times: 4.5%Hasty Generalization0.0%This article: 0.0%No Author: 0.3%The Japan Times: 0.3%Red Herring0.0%This article: 0.0%No Author: 0.7%The Japan Times: 0.6%Bandwagon0.0%This article: 4.6%No Author: 3.6%The Japan Times: 3.6%Appeal to Emotion4.6%This article: 0.0%No Author: 0.7%The Japan Times: 0.9%Begging the Question0.0%This article: 11.3%No Author: 3.4%The Japan Times: 4.2%Post Hoc (False Cause)11.3%This article: 0.0%No Author: 0.0%The Japan Times: 0.1%Tu Quoque0.0%This article: 0.0%No Author: 0.6%The Japan Times: 0.5%Burden of Proof0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.1%Appeal to Nature0.0%This article: 0.0%No Author: 0.2%The Japan Times: 0.2%Composition/Division0.0%This article: 0.0%No Author: 0.7%The Japan Times: 1.1%Anecdotal0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.0%No True Scotsman0.0%This article: 0.0%No Author: 2.3%The Japan Times: 3.0%Ambiguity (Equivocation)0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.0%Gambler’s Fallacy0.0%This article: 0.0%No Author: 0.1%The Japan Times: 0.1%Middle Ground0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.0%Personal Incredulity0.0%This article: 0.0%No Author: 0.1%The Japan Times: 0.1%Special Pleading0.0%This article: 0.0%No Author: 0.0%The Japan Times: 0.0%Genetic Fallacy0.0%This article: 25.6%No Author: 5.3%The Japan Times: 4.6%Unattributed Quote25.6%This article: 0.0%No Author: 2.1%The Japan Times: 1.8%Quote-first Misdirection0.0%This article: 9.7%No Author: 6.3%The Japan Times: 9.0%Biased Writer Voice9.7%This article: 0.0%No Author: 1.4%The Japan Times: 1.6%Indoctrination0.0%This article: 0.0%No Author: 0.3%The Japan Times: 0.6%Politically Left Leaning Bias0.0%This article: 0.0%No Author: 0.2%The Japan Times: 0.2%Politically Right Leaning Bias0.0%This article: 0.0%No Author: 0.3%The Japan Times: 0.5%Attempt to Sell a Product or S…0.0%

238 words analyzed.

Speakers

2speakers21%attributed speech188writer words
Voice mapSelect a segment to jump to its words
Writer's voice • 10 words • 0.0% coverageWriter's voice • 30 words • 0.0% coveragecity’s board of education • 29 words • 0.0% coverageWriter's voice • 9 words • 0.0% coverageWriter's voice • 24 words • 0.0% coverageOsaka Prefectural Police • 21 words • 0.0% coverageWriter's voice • 23 words • 100.0% coverageWriter's voice • 27 words • 100.0% coverageWriter's voice • 16 words • 0.0% coverageWriter's voice • 38 words • 0.0% coverageWriter's voice • 11 words • 100.0% coverage
0%flagged-word coverage
29 attributed words58% of attributed speech37% writer coverage
0%17.5%35.0%Unattributed Quote-32.4 ptsWriter: 32.4%city’s board of education: 0.0%0.0%Biased Writer Voice-12.2 ptsWriter: 12.2%city’s board of education: 0.0%0.0%

Attribution is sentence-level. Pattern percentages are calculated only from words assigned to that voice.

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Analysis

Hover over highlighted words in the article to view the associated bias or fallacy analysis.