To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Informative and interesting but some of the wording, whilst technically accurate, could have been simplified for younger kids. Suitable for primary school age kids maybe not younger. I found I had to translate some of the ‘jargon’ into simple language on the fly.