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Use "addictiveness" in a sentence
"Another core aspect of the addictiveness is their continuous nature."
"With regard to my first point, it's very common (for me, at least) to sign up for a still-in-beta site after being digitally flirted with across a few channels, only to discover that the range, scope, usability, and urgency (what I'd call the addictiveness factors) of the offering weren't compelling enough to prompt return visits."
"As an addiction psychologist, much of the data with which he worked was drawn from laboratory trials with rats and monkeys: the 'addictiveness' of drugs such as opiates and cocaine was established by observing how frequently caged animals would push levers to obtain doses."