On Tue, 15 Jun 2021 11:48:17 +0100, Another Dave wrote:

On 13/06/2021 16:50, Commander Kinsey wrote:
Why do some people raise their voice at the end of every sentence? It
sounds like they're asking a question. Glaswegians and Australians are
particularly bad for it. Are they unsure of everything they say and are
seeking confirmation?

The comedian Rory McGrath christened it the "moronic interrogative" back
in 2004. I've seen it referred to as that in The Times.

An excellent description. Comedians are often the best to get the real answers.