<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.kuanzia miaka ya 1960, wanasaikolojia daniel kahneman na amos tversky uliofanywa utafiti wa kina juu ya mada hii.  <response>: this theory was coined by two israeli psychologists daniel kahneman and amos tversky back in the 90s. 