A cognitive psychologist does an experiment to compare memory for adjectives vs. nouns. Each of 20 college students participate in an experiment where they see a list of 30 words then recall as many as they can. 15 of the words are adjectives (blue, ugly) and 15 of the words are nouns (house, ball). The words are randomly ordered on the list. The researcher tabulates the number of adjectives and the number of nouns each participant recalls. The results are tabled below; the cell entries are the number of words of each type that a given subject recalled correctly. Is this an independent groups design or a matched groups design? Carry out the appropriate hypothesis test. Estimate the magnitude of the effect of the type of word and state what the number you compute means in words. Summarize the results of the experiment. Subject Adjectives Nouns 1 8 10 2 7 9 3 9 12 4 9 8 5 9 9 6 7 10 7 10 11 8 9 10 9 8 6 10 8 9 11 8 8 12 5 7 13 7 9 14 9 10 15 9 10 16 8 11 17 10 12 18 8 9 19 8 8 20 7 9
A cognitive psychologist does an experiment to compare memory for adjectives vs. nouns. Each of 20 college students participate in an experiment where they see a list of 30 words then recall as many as they can. 15 of the words are adjectives (blue, ugly) and 15 of the words are nouns (house, ball). The words are randomly ordered on the list. The researcher tabulates the number of adjectives and the number of nouns each participant recalls. The results are tabled below; the cell entries are the number of words of each type that a given subject recalled correctly. Is this an independent groups design or a matched groups design? Carry out the appropriate hypothesis test. Estimate the magnitude of the effect of the type of word and state what the number you compute means in words. Summarize the results of the experiment. Subject Adjectives Nouns 1 8 10 2 7 9 3 9 12 4 9 8 5 9 9 6 7 10 7 10 11 8 9 10 9 8 6 10 8 9 11 8 8 12 5 7 13 7 9 14 9 10 15 9 10 16 8 11 17 10 12 18 8 9 19 8 8 20 7 9
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A cognitive psychologist does an experiment to compare memory for adjectives vs. nouns. Each of 20 college students participate in an experiment where they see a list of 30 words then recall as many as they can. 15 of the words are adjectives (blue, ugly) and 15 of the words are nouns (house, ball). The words are randomly ordered on the list. The researcher tabulates the number of adjectives and the number of nouns each participant recalls. The results are tabled below; the cell entries are the number of words of each type that a given subject recalled correctly.
- Is this an independent groups design or a matched groups design?
- Carry out the appropriate hypothesis test.
- Estimate the magnitude of the effect of the type of word and state what the number you compute means in words.
- Summarize the results of the experiment.
Subject
Adjectives
Nouns
1
8
10
2
7
9
3
9
12
4
9
8
5
9
9
6
7
10
7
10
11
8
9
10
9
8
6
10
8
9
11
8
8
12
5
7
13
7
9
14
9
10
15
9
10
16
8
11
17
10
12
18
8
9
19
8
8
20
7
9
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