plural noun

• A set of 25 cards each with one of five different symbols, used in ESP research.

  ‘Twenty-one of the 1980s textbooks discussed Rhine's Zener card research.’

  More example sentences

  • ‘On a typical Zener card test, a participant may call a circle only because he or she hasn't called it for a while.’
  • ‘Authors during the 1980s focused on Rhine's Zener card research.’
  • ‘A deck of Zener cards consists of five of each symbol.’
  • ‘Twelve participants were asked to guess the top-down sequence of symbols in an open deck of 100 Zener cards.’
  • ‘In the 1970s, Zener cards were largely replaced by testing techniques using random-number generators, and others using more complex and meaningful targets such as paintings and photographs.’
  • ‘He was leaving out the scores of those he believed were guessing their Zener cards wrong on purpose.’