What percentage of reviews are fake for this product?

42.00% 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?

15 reviews were analyzed for authenticity patterns.

What is the adjusted rating after removing fake reviews?

After removing suspicious reviews, the adjusted rating is 3.90 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.

Is this product priced fairly on Amazon?

Based on AI price analysis, this product is Unable to compare.

How is this product positioned in the market?

This product is positioned as a Mid-range to Premium option in its category.

Efomao Big and Tall Office Chair, Executive Office Chair with Foot Rest, Ergonomic Fabric Computer Chair for Back Pain Relief, Grey Gaming Chair

Name: Efomao Big and Tall Office Chair, Executive Office Chair with Foot Rest, Ergonomic Fabric Computer Chair for Back Pain Relief, Grey Gaming Chair
Brand: Amazon
SKU: B0F4QXKWZ9
Availability: InStock
Rating: 3.9 (15 reviews)

ASIN: B0F4QXKWZ9

Analysis Date: Nov 22, 2025 (re-analyzed Nov 22, 2025)

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Review Analysis Results

Authenticity Grade

42.00%

Fake Reviews

4.93

Original Rating

3.90

Adjusted Rating

Analysis Summary

This product shows moderate signs of review manipulation with several concerning patterns. The review set is overwhelmingly positive (15/16 reviews are 5-star, 1 is 4-star) with no critical feedback, which is statistically unusual for any product. Multiple reviews use nearly identical phrasing about 'exceeding expectations' and 'game-changing' benefits. There are duplicate reviews from the same user ID (R19KGJ2G6NAGJ appears twice with identical content), which is a clear red flag. Several reviews contain unusually enthusiastic language and marketing-style descriptions that read more like promotional copy than genuine user experiences. However, the reviews do contain some specific details about assembly time, user dimensions, and practical usage that lend some credibility. The presence of international reviews (Spanish and Arabic) and varied writing styles provides some balance against the suspicious patterns.

Review Statistics

4,384

Total Reviews on Amazon

-1.03

Rating Difference

Price Analysis

This highly-rated ergonomic office chair with footrest appears competitively positioned in the mid-to-premium segment. Given the exceptional 4.93/5 rating from over 4,300 reviews, it likely offers good value if priced under CAD $350. Monitor for seasonal promotions and compare total costs including shipping before purchasing.

MSRP Assessment

Estimated MSRP: Unknown

Source: Unable to determine

Amazon Price: Unable to compare

Market Position

Positioning: Mid-range to Premium

Alternatives Range: CAD $150-$500

Value: This chair offers strong value with high ratings and ergonomic features typically found in higher-priced office chairs.

Buying Tips

Best Time to Buy: Best times: Back-to-school (August), Black Friday/Cyber Monday, or January office sales.

Deal Indicators: Look for 20%+ discounts, bundled accessories (like lumbar pillows), or free shipping offers.

Watch For: Watch for sudden price spikes after positive reviews, and compare shipping costs as they can significantly impact total price for large items.

Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 1, 2025

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 (3.90 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 (4.93 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.