Information from: “Linguistic diversity in the Tibetan regions: a set of Language Snapshots” (244-312) . Yulha Lawa (2021)
20 percent certain, based on the evidence available
"Lhawa & Lai (2017) reports on a sociolinguistic survey of language attitudes among Khroskyabs speakers, based on 88 responses to a Chinese - language online survey. These suggested a positive attitude overall. Linguistic diversity in the Tibetan regions: a set of Language Snapshots 289. However, the survey was followed up with face-to-face interviews with eight participants, conducted in Khroskyabs, and here the responses contradicted the on-line survey. All interviewees expressed negative attitudes towards Khroskyabs, especially in comparison to the dominant national language, Mandarin, and the local prestige language, Tibetan."
OTHER LANGUAGES USED BY THE COMMUNITY
"Khroskyabs (IPA is [ʈʂhoscæ̂ v]) is spoken in Rnagba Tibetan and Qiang Autonomous Prefecture, in Western Sichuan, China. There are approximately 10,000 speakers in Jinchuan, Rangtang, and Maerkang Counties... In this part of modern Sichuan Province, people who live in the valleys are farmers, and speak Khroskyabs or other languages, while people who live higher up in the mountains are nomadic yak herders, and mostly speak Amdo Tibetan. The language in the valley is called rongskad which signifies ‘farmer’s language’, or ‘valley language’, as opposed to the ‘nomadic language’, Amdo Tibetan, spoken in the mountains."