Table 2 Attributes and attribute levels of online shopping.

From: Factors that affect consumer trust in product quality: a focus on online reviews and shopping platforms

Attributes

Explanation and attribute levels

Pricea

Explanation

Price of the product in the online store (retailers sell products that are nearly the same but have slight differences)

Levels

Price: 50,000 KRW

Price: 52,000 KRW

Price: 54,000 KRW

Number of reviews

Explanation

Total number of reviews left by customers who have previously purchased the product

Levels

1

10

100

1000

Star ratings

Explanation

Average star rating of purchase reviews left by customers who have previously purchased the product (based on a five-star rating)

Levels

(one-star rating)

(three-star rating)

(five-star rating)

Review type

Explanation

Format of reviews from customers who have previously purchased the product

Levels

Text reviews

Text + picture reviews

Text + video reviews

Text review lengthb

Explanation

If the number of words in a text review is <20, it is classified as a general review; if the review has >300 words, it is classified as a premium review

Levels

General Reviews (<20 words)

Premium Reviews (>300 words)

Shopping platform

Explanation

A shopping mall is divided into a personal shopping mall, open markets, and a personal shopping mall located on an online platform provided by Naver shopping.

Hiphoper, Hyber, Stylec, and TheXshop are names of shopping malls

Levels

Personal shopping mall (Hiphoper, Hyber)

Open market (Gmarket)

Online platform (Stylec, TheXshop)

  1. aKRW (Korean won) is the currency of Korea. As of April 3, 2023, 1 USD is equal to 1,315.00 KRW.
  2. bWe excluded reviews that range from 20 to 300 words because too many examples would be included when making the choice cards. For example, not only 100-word reviews but also 300-word reviews could be included in medium reviews; however, we cannot show all of these cases due to the limited number of choices established for the survey.