Table 2 The scale measurement items for big data product attributes.

From: Big data products and income inequality of e-commerce farmers: evidence from China

Product attributes

Measurement items

Sources

Usefulness of big data products

Data products are very useful in the process of online store operation

Data products effectively help me understand market information

With data products, online store business decisions become more accurate

Davis, 1989

Venkatesh, 2000

Venkatesh and Davis, 2000

Yang, 2016

Zeng et al., 2024

Ease of use of big data products

Learning how to use data products is easy for me

Mastering the functions of the data product is easy for me

With the existing knowledge I can use the data products

Experience of big data products

When I use data products, I don’t worry about the risks

The data product is quite interesting, I like to use it

The interface design of the data product is quite user-friendly

The data metrics provided by the data product are quite comprehensive

The purchase price of data products is acceptable

There are too few free experience features for data products

Wu and Wang, 2005

Elkins et al., 2013

Yang, 2016

Zeng et al., 2024