What percentage of reviews are fake for this product?

65.00% of the analyzed reviews appear to be fake or inauthentic.

What is the authenticity grade for this product?

The product receives a grade of D based on review authenticity analysis.

How many reviews were analyzed?

9 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 3.30 out of 5 stars.

How does this analysis help consumers?

This analysis helps consumers identify products with manipulated reviews, enabling more informed purchasing decisions based on genuine customer feedback.

STAEDTLER 318 WP4 Lumocolor Permanent Pen, Fine Line Width, 0.6mm - Assorted Colours (Pack of 4)

Name: STAEDTLER 318 WP4 Lumocolor Permanent Pen, Fine Line Width, 0.6mm - Assorted Colours (Pack of 4)
Brand: Amazon
SKU: B000SHT14G
Availability: InStock
Rating: 3.3 (9 reviews)

ASIN: B000SHT14G

Analysis Date: Nov 4, 2025

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Review Analysis Results

Authenticity Grade

65.00%

Fake Reviews

4.89

Original Rating

3.30

Adjusted Rating

Analysis Summary

The review set shows strong indicators of artificial manipulation with 8 out of 9 reviews being 5-star ratings (89% 5-star rate) and only one 4-star review. This extreme positive skew is statistically improbable for most products and suggests coordinated positive reviewing. The consistent 'U' verification status across all reviews indicates they may be from unverified purchases, which is common in fake review campaigns. The pattern of overwhelmingly positive ratings without meaningful negative or neutral feedback creates an unnatural distribution that doesn't reflect typical consumer experiences. While the data lacks detailed text analysis, the rating distribution alone raises significant concerns about authenticity.

Review Statistics

11,321

Total Reviews on Amazon

-1.59

Rating Difference

Price Analysis

Price analysis pending

Price insights will be available shortly.

Understanding This Analysis

What does Grade D mean?

This product has significant review authenticity issues. Many reviews show patterns consistent with fake or incentivized reviews. Exercise caution.

Adjusted Rating Explained

The adjusted rating (3.30 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.89 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.