Materials

• What did each experimenter provide for the study?

  Cassette tape player and headphones
• What were the cassettes made from?

  Master tape of background noise
• What type of noise was recorded during lunchtime?

  Background noise in a university cafeteria
• What was the goal regarding the audibility of sentences?

  Prevent complete sentences from being audible
• What sounds were mixed with the background noise?

  Sounds of chairs and dishes
• At what volume level was the tape played?


  Moderately loud level
• What material was selected for the study?

  A two-page article on psycho immunology
• How was the article judged by the experimenters?

  Interesting and understandable yet unheard of
• How many multiple-choice questions were generated?

  Sixteen multiple-choice questions
• What did all multiple-choice questions test?

  Memory for points stated in the article
• How many short-answer questions were derived from the multiple-choice stems?

  Ten short-answer questions
• What was the purpose of the short-answer questions?

  To produce a question answerable by a single word
• In what order were the questions administered on each test?


  Followed the order of points in the text
• Why was the short answer test administered first?

  To ensure recall of information from the article
• What was the main focus of the tests conducted in the study?

  Recall of information from the article