[Retracted] A Study on Parents’ Attitudes towards Middle School Students’ Online Learning Based on Statistical Analysis

Table 5

Measurement scale of perceived cost.

Latent variables	Item code	Questionnaire content design	Source
Perceived cost	PC1	Online learning platforms require additional purchase of expensive learning equipment.	Wang et al. [27]
	PC2	Online learning platforms take children more time to get used to and be familiar with.
	PC3	Online learning platforms have other hidden and additional fees.
	PC4	Online learning platforms require parents to spend a lot of time and energy monitoring their children’s learning process.