Here's the short answer to your question about the poll in question: "The New York Times/Siena College polls of 3,662 registered voters in Arizona, Georgia, Michigan, Nevada, Pennsylvania and Wisconsin were conducted in English and Spanish on cellular and landline telephones from Oct. 22 to Nov. 3, 2023. "

There's more info here: https://www.nytimes.com/interactive/2023/11/07/us/elections/times-siena-battlegrounds-registered-voters.html