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Unformatted text preview: ____________________________ Name Psychology 100: Introduction to Cognitive Psychology Spring Quarter, 2010 Midterm 3 CHOOSE THE BEST ANSWER TO EACH QUESTION (1 pt. each) 1. We might conclude that STM codes are based on _________ if a subject confuses a visually presented P with an R in a STM task, whereas we might conclude that STM codes are based on ___________ if a subject confuses a visually presented V with a B. (a) visual information; acoustic information. (b) semantic information; acoustic information. (c) acoustic information; visual information. (d) visual information; semantic information. 2. You listen to a sports announcer read the names of a university hockey team. You recall the last four names better than names that appeared in the middle of the list. This phenomenon is called (a) the primacy effect. (b) retroactive interference. (c) the recency effect. (d) proactive interference. 3. Scored as correct. 4. The capacity of STM can be increased if stimuli are (a) rehearsed. (b) overlearned. (c) chunked. (d) similar. 5. Evidence concerning the duration of information in STM comes from studies of (a) chunking. (b) scanning. (c) coding. (d) serial position effects. 6. You participate in an experiment using the Brown-Peterson task. On each trial, you receive three letters to remember and then you count backwards by threes. Your memory for the letters deteriorates across trials. On the 5th trial, you receive three names to remember. Your performance improves. It did so because (a) you coded the names into a single "chunk," increasing your STM capacity. (b) counting backwards interferes more with the recall of letters than names. (c) the names were dissimilar from the letters; thus, memory for the letters did not interfere with memory for the names. 1 (d) the names were dissimilar from the letters; so you were released from retroactive interference. Questions 7 to 9 refer to the following experiment. Waugh and Norman conducted an experiment to examine loss of information from STM. They presented a series of digits that ended with a probe. The probe always repeated an earlier item in the list. Participants were asked to retrieve the item that followed the earlier appearance of the probe. Waugh and Norman varied the number of digits that occurred between the probe and the target and the rate that the digit list was presented. 7. Presentation rate was manipulated in order to assess how information in STM (a) is lost due to interference. (b) is lost due to decay. (c) can be chunked. (d) is limited in capacity. 8. The number of intervening digits was manipulated to assess how information in STM (a) is lost due to interference. (b) is lost due to decay....
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