What does the SEO industry think about boosting CTR?
In 2014, Moz's Rand Fishkin ran a CTR case study which moved his site from #7 to #1 in less than 3 hours by sending clicks to his organic search results. These were real people, making real clicks. This was the first real indication that click through rate (CTR) was a factor that could heavily move organic results in the SERPs.
Here are some other published articles to consider:
Search Engine Journal