2. Neuroscience researchers examined the impact of environment on rat development. Rats were randomly assigned to be raised in one of the four following test conditions: Impoverished (wire mesh cage - housed alone), standard (cage with other rats), enriched (cage with other rats and toys), super enriched (cage with rats and toys changes on a periodic basis). After two months, the rats were tested on a variety of learning measures (including the number of trials to learn a maze to a three perfect trial criteria), and several neurological measure (overall cortical
2. Neuroscience researchers examined the impact of environment on rat development. Rats were randomly assigned to be raised in one of the four following test conditions: Impoverished (wire mesh cage - housed alone), standard (cage with other rats), enriched (cage with other rats and toys), super enriched (cage with rats and toys changes on a periodic basis). After two months, the rats were tested on a variety of learning measures (including the number of trials to learn a maze to a three perfect trial criteria), and several neurological measure (overall cortical
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
Please show your work for part a- d
Transcribed Image Text:2. Neuroscience researchers examined the impact of
environment on rat development. Rats were randomly
assigned to be raised in one of the four following test
conditions: Impoverished (wire mesh cage - housed alone),
standard (cage with other rats), enriched (cage with other
rats and toys), super enriched (cage with rats and toys
changes on a periodic basis). After two months, the rats
were tested on a variety of learning measures (including the
number of trials to learn a maze to a three perfect trial
criteria), and several neurological measure (overall cortical
weight, degree of dendritic branching, etc.). The data for
the maze task is below. Compute the appropriate test for the
data provided below.
mpoverished Standard Enriched
22
17
12
19
21
14
15
15
11
24
12
9
18
19
15
Super
Enriched
8
7
10
9
12
A. What would be the Null hypothesis in this study?
B. What would be the alternative hypothesis?
C. What is your Fcrit?
D. Is there a significant difference between the four groups?
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