University of California Santa Barbara Factorial Designs Exercise Report watch lectures PDF and complete the question. Analysis data 1) determine whether t

University of California Santa Barbara Factorial Designs Exercise Report watch lectures PDF and complete the question. Analysis data 1) determine whether there are any main
effects (plot marginal means); 2) determine whether there is an interaction
effect (use graph); and 3) try to describe in
words what the effects mean. Spring 2020
Exercise: Factorial Designs
Practice with Main and Interaction Effects
A study was conducted on the effectiveness of using flash cards and study groups in improving
memory for course material. A sample of students was randomly assigned 1) either to use or not use
flash cards when studying and 2) either to study in groups or alone. The students were then tested on
their memory for the material they had studied.
Identify the independent variable(s) _______________________________________
Identify the dependent variable(s) _________________________________________
Below are hypothetical sets of data for this study. The numbers in the cells represent mean scores on
a memory test, where higher numbers indicate greater memory score. For each set of data: 1)
determine whether there are any main effects (plot marginal means); 2) determine whether there is an
interaction effect (use graph); and 3) try to describe in words what the effects mean.
Data Set #1
Flash Card Use
Flash cards
No Flash Cards
50
10
20
40
Group
10
StudyGroupUse
Test
30
Score
20100
20
Alone
Describe
effects found:
Data Set #2
Describe effects found:
Flash Card Use
Flash Cards
No Flash Cards
Spring 2020
Flash cards
No Flash Cards
Study
50
Alone
Group
GroupTest
4030
GroupScore
Use Alone10
20
0
Flash Cards
No Flash Cards
Data Set #3
Flash Card Use
Flash cards
Study
Group
Use
Group
Alone
20
30
No Flash Cards
Describe
effects
50 found:
20
40
Test
30
20
Score
10
10
0
Flash Cards
No Flash Cards
Data Set #4
Describe effects found:
Alone
Flash Card Use
Flash cards
Study
Group
Use
Group
Alone
50
No Flash Cards
Test
Score
Group
40
30
20
10
0
Flash Cards
No Flash Cards

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