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1. sensory memory The large-capacity storage system that records information from each of
the
senses with reasonable accuracy.
2. short term The large-capacity storage system that records information from each
mem- ory of the senses with reasonable accuracy.
3. chunk A memory unit that consists of several components that are strongly
associated
with one another
4. chunking A memory strategy in which the learner combines several small units to
create
larger units.
5. chunking in
your own
words
8. How did Sper- ling's experiment
6. chunking
exam- ple
7. Why might
sen- sory
memory be
hard to
prove?
,EXP 3604 EXAM #2 Chapters 4-5 with complete solutions
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Chunking is a memory a second. This fleeting duration makes it challenging to study, as
technique that involves researchers often struggle to capture and measure the information
breaking down large before it fades away. Additionally, sensory memory is largely unconscious,
pieces of information into mean- ing people are typically unaware of the details retained in this
smaller, manageable units stage of memory, making it diflcult to assess or report on accurately.
or "chunks." This makes it
easier to remember and Sperling's experiment demonstrated sensory memory through his
recall the information. use of whole report and partial report methods.
When trying to memorize
a phone number, instead
of remembering all ten
digits as a single long
number (e.g.,
1234567890), you can
chunk it into smaller
groups: 123-456-7890.
Using chunking can help
when studying for an
exam by organizing
information into
categories or themes, like
grouping related concepts
together. This can make it
easier to understand and
recall the material later.
Sensory memory can be
hard to prove because it
lasts for only a very brief
moment, typically less than
,EXP 3604 EXAM #2 Chapters 4-5 with complete solutions
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demonstrate 13. Brown/Peterson and Peterson technique
sen- sory
memory?
9. How did Sper-
ling's
experiment
demonstrate
sen- sory
memory? Use
Whole re-
sponse
10. How did Sper-
ling's
experiment
demonstrate
sen- sory
memory? Use
partial re-
sponse
11. Differentiate
be- tween
senso-
ry memory
and short-term
mem- ory
12. What is the
dura- tion of
short-term
memory?
,EXP 3604 EXAM #2 Chapters 4-5 with complete solutions
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time, but it fades quickly if not attended to.
sensory memory is about very brief sensory impressions, while short-
participants viewed a grid term memory is about actively maintaining and manipulating
of letters for a brief information for a short duration.
moment and were then
asked to recall as many
letters as they could. Most
The duration of short-term memory is typically around 15 to 30
could only remember
seconds. During this time, information can be actively maintained
about 4 or 5 letters,
and manipulated, but if not rehearsed or encoded, it will quickly fade
indicating that while they
and be lost.
had briefly registered more
information, it quickly The Brown/Peterson and Peterson technique is a method used to study
faded from memory. short-term memory by preventing rehearsal. In this experiment,
participants are given a set of items (like letters or numbers) to
remember. Then, they are asked to do a distracting task (like counting
backwards) for a few seconds before trying to recall the items. This
participants were cued to
technique shows how short-term memory fades quickly without
recall only one row of the
rehearsal, usually within 15-30 seconds.
grid immediately after
seeing it. They could
accurately recall most of the
letters from the indicated row,
suggesting that they had
initially registered more
information than they could
report in the whole report.
This ditterence highlighted
that sensory memory can
hold a large amount of
information for a very short