Answers:1a)Instruction: F = 52.71, Reject Ho; Imagery: F = 198.68, Reject Ho; Interaction: F = 16.89, Reject Ho.1b) High/Low: Qobt = 28.12; High/Med: Qobt = 14.47; Med/Low: Qobt = 13.65. Qcrit for all comparisons = 3.53.1d) tcrit = ±2.064, tobt = 9.67, Reject Ho, Prediction not supported.1e) tcrit = 2.492, tobt = 4.399, Reject Ho, Prediction supported. Psychology 2211(001) Assignment 71. Thirty six subjects are randomly assigned to one of twelve groups in a study investigating the separate and joint effects ofimagery instruction and imagery vividness on recall. Four kinds of imagery instruction (passive, active, reactive, and control)and three kinds of imagery vividness (low, medium, and high) are used. Following treatment, all subjects are given a 30-itemrecall test, yielding the following data:ControlPassiveLow Med High Low Med High45 7357955 6 114Active ReactiveLow Med High9 10914812Low Med High565 918411194 13 1713 2214 243 15 26a) Fill out a complete 2-way ANOVA table and determine if the main effects for imagery instruction and imagery vividness,and the instruction x vividness interaction, are significant (each with a ≤.05).b) If a main effect for imagery vividness is found, perform Tukey post hoc tests to determine which means differ from oneanother.c) If the instruction x vividness interaction is significant, draw a graph of the cell means and write a brief interpretation of theinteraction.d) Prior to the experiment, it was predicted that the means in the low and medium imagery vividness conditions would notdiffer from one another. Is this prediction borne out with a <.05?e) Prior to the experiment, it was predicted that the mean in the active instruction condition would be significantly greaterthan the mean in the passive instruction condition. Is this prediction borne out with a ≤.01?

ControlPassiveActiveReactiveLow435555465443Medium59913791114681315High7101822914192411121726

Psychology 2211(001) Assignment 7 1. Thirty six subjects are randomly assigned to one of twelve groups in a study investigating the separate and joint effects of imagery instruction and imagery vividness on recall. Four kinds of imagery instruction (passive, active, reactive, and control) and three kinds of imagery vividness (low, medium, and high) are used. Following treatment, all subjects are given a 30-item recall test, yielding the following data: Control Passive Low Med High Low Med High Active Reactive Low Med High 9 10 4 5 7 3 5 7 9 5 9 14 5 6 11 4 8 12 Low Med High 5 13 22 14 24 6 3 15 26 5 9 18 11 19 4 4 13 17 a) Fill out a complete 2-way ANOVA table and determine if the main effects for imagery instruction and imagery vividness, and the instruction x vividness interaction, are significant (each with a ≤.05). b) If a main effect for imagery vividness is found, perform Tukey post hoc tests to determine which means differ from one another.

Psychology 2211(001) Assignment 7 1. Thirty six subjects are randomly assigned to one of twelve groups in a study investigating the separate and joint effects of imagery instruction and imagery vividness on recall. Four kinds of imagery instruction (passive, active, reactive, and control) and three kinds of imagery vividness (low, medium, and high) are used. Following treatment, all subjects are given a 30-item recall test, yielding the following data: Control Passive Low Med High Low Med High Active Reactive Low Med High 9 10 4 5 7 3 5 7 9 5 9 14 5 6 11 4 8 12 Low Med High 5 13 22 14 24 6 3 15 26 5 9 18 11 19 4 4 13 17 a) Fill out a complete 2-way ANOVA table and determine if the main effects for imagery instruction and imagery vividness, and the instruction x vividness interaction, are significant (each with a ≤.05). b) If a main effect for imagery vividness is found, perform Tukey post hoc tests to determine which means differ from one another.

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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Question

Answers: 1a)Instruction: F = 52.71, Reject Ho; Imagery: F = 198.68, Reject Ho; Interaction: F = 16.89, Reject Ho. 1b) High/Low: Qobt = 28.12; High/Med: Qobt = 14.47; Med/Low: Qobt = 13.65. Qcrit for all comparisons = 3.53. 1d) tcrit = ±2.064, tobt = 9.67, Reject Ho, Prediction not supported. 1e) tcrit = 2.492, tobt = 4.399, Reject Ho, Prediction supported.

Psychology 2211(001) Assignment 7
1. Thirty six subjects are randomly assigned to one of twelve groups in a study investigating the separate and joint effects of
imagery instruction and imagery vividness on recall. Four kinds of imagery instruction (passive, active, reactive, and control)
and three kinds of imagery vividness (low, medium, and high) are used. Following treatment, all subjects are given a 30-item
recall test, yielding the following data:
Control
Passive
Low Med High Low Med High
4
5 7
3
5
7
9
5
5 6 11
4
Active Reactive
Low Med High
9 10
9
14
8
12
Low Med High
5
6
5 9
18
4
11
19
4 13 17
13 22
14 24
3 15 26
a) Fill out a complete 2-way ANOVA table and determine if the main effects for imagery instruction and imagery vividness,
and the instruction x vividness interaction, are significant (each with a ≤.05).
b) If a main effect for imagery vividness is found, perform Tukey post hoc tests to determine which means differ from one
another.
c) If the instruction x vividness interaction is significant, draw a graph of the cell means and write a brief interpretation of the
interaction.
d) Prior to the experiment, it was predicted that the means in the low and medium imagery vividness conditions would not
differ from one another. Is this prediction borne out with a <.05?
e) Prior to the experiment, it was predicted that the mean in the active instruction condition would be significantly greater
than the mean in the passive instruction condition. Is this prediction borne out with a ≤.01?

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