an experimental psychologist uses four different ordere of presentation of a list of words in an experiment that measures the number of words recalled
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In this case, the objective is to measure the number of words recalled by participants when presented with a list of words in four different orders. Show more…
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In an experiment examining human memory, two groups of participants are used. One group is allowed 5 minutes to study a list of 40 words and the second group is given 10 minutes of study time for the same list of words. Then, both groups are given a memory test, and the researcher records the number of words correctly recalled by each participant. For this experiment, identify the independent variable and the dependent variable.
Mauya M.
In an experiment, participants were asked to recall a list of words in a noisy room and then the same people were asked to recall a list of words in a quiet room. This is an example of (a) A. matched pairs design. B. none of the above. C. posttest-only design. D. repeated measures design.
Danielle A.
A researcher wants to compare the levels of recall in younger and older subjects. Her hypothesis is that if subjects are required to process verbal information (lists of words) older subjects do less processing and therefore will recall fewer words. The following data are from a group of older subjects and a group of younger subjects who were told to memorize the words presented to them so they could be recalled at a later time. The dependent variable is the number of correctly recalled items. Do these data indicate a significant difference in items recalled between younger and older adults? Use two-tailed α = .05. DATA: Younger adults: 23, 20, 16, 17, 21, 20, 20, 22, 10, 22 SS=44 M= 20. Older adults: 10, 19, 14, 5, 10, 11, 14, 15, 11, 11 SS= 126 M= 12
Jon S.
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