Running head: REASEARCH, STATISTICS AND PSYCHOLOGY PAPER
Research, Statistics and Psychology Paper
1
REASEARCH, STATISTICS AND PSYCHOLOGY PAPER
2
Abstract
This essay is written for the reader to understand what the scientific method has to do with
statist
HYPOTHESIS
TESTING
INTRODUCTION
What is
Hypothesis
Testing?
RESEARCH HYPOTHESIS
vs.
NULL HYPOTHESIS
STEP 1
STEP 2
STEP 3
Cutoffpointshelptodecidewhen
theresearchhypothesisiscorrect.
Forourstudyherethecutoffpoint
is1.64ormore.
Thegraphdemonstrateswhat
aver
1) What is a non-parametric tests? Why do we use them? Describe a
psychological research situation or scenario that would use a nonparametric test. You can use clinical examples and examples from
the workplace. You may also discuss a hypothetical scenario
Psy. 315 P.P. Chapter 1
12.
A.) Equal Interval: Numeric variable in which differences between values correspond to
differences in the underlying thing being measured.
Example: 2 cups of water subtracted y 1 cup equals 1 cup of water, the same is true for
Running head: THE FUNCTIONS OF STATISTICS
Descriptive and Inferential Statistics
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Descriptive and Inferential Statistics
Descriptive and Inferential Statistics
In the following pages the reader will be introduced to some basic concepts about
statistics.
Practice Problems Week 4 Day 7
Chapter 4
11. The five steps of hypothesis testing are:
1.) Restate the Question as a Research Hypothesis and a Null Hypothesis About the
Populations
2.) Determine the Characteristics of the Comparison Distribution
3.) Deter
Running head: HYPOTHESIS TESTING PAPER
Hypothesis Testing Paper
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HYPOTHESIS TESTING PAPER
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Abstract
Hypothesis testing in statistics goes beyond the traditional acceptances of trying to prove a
hypothesis correct. Hypothesis testing is matter of accepti
What is the theory underlying ANOVA? Why is it important?
Explain.
ANOVA stands for analysis of variation. Analysis of variation is the term used
to describe tests that must incorporate scores or information (scores from these
groups when using ANOVA are
1) What is a non-parametric tests? Why do we use them? Describe a
psychological research situation or scenario that would use a nonparametric test. You can use clinical examples and examples from
the workplace. You may also discuss a hypothetical scenario
1. Why is it said that hypothesis testing involves double negative logic?
Explain. Why do you think that this logic is important for application in
statistical reasoning? How can it or can it not aid research? You may use
additional resources to answer th
1. What is the five step process for hypothesis testing? Is the order
important? Why or why not? What is the null hypothesis? Why is it
important? What are its implications? Explain. You may use examples
to show your understanding. You may also use additi
How effective are the pie charts that often accompany a newspaper
article in explaining the statistics being used in the article? What do
statisticians think about pie charts? Explain.
Pie charts are used to show information similar to any graph or chart.
1) What are some differences between primary and secondary data?
Why must you use primary and secondary data in research? What
are some disadvantages of using secondary sources to make
decisions? Explain.
Primary data is a resource that comes from the act
The median home price in your area has increased in the last 10 years,
how does this differ from the mean home price in your area? Explain.
Our text states that a median would be a middle score after writing the scores down from lowest
to highest and then
1. What is the five step process for hypothesis testing? Is the order
important? Why or why not? What is the null hypothesis? Why is it
important? What are its implications? Explain. You may use examples
to show your understanding. You may also use additi
DQ-1
What is correlation? What are the different types of correlation? Why is it
important to determine correlation?
Correlation involves the logic and procedures for making predictions about one variable, it is a
statistical procedure that allows you to
Ch. 7
14.) The cycles are 25, 27, 25, 23, 24, 25, 26, and 25
X
X x
( X x)2
25
0
0
27
2
4
25
0
0
23
-2
4
24
-1
1
25
0
0
26
1
1
25
0
0
A.) The Sample mean is 25
The standard deviation is 1.195229
The Null Hypothesis is 24
The degree freedom is 7
T statistic
1) What are some differences between primary and secondary data?
Why must you use primary and secondary data in research? What
are some disadvantages of using secondary sources to make
decisions? Explain.
Primary data is a resource that comes from the act
What are the differences between quantitative and qualitative
data? List 1 or more example of each with explanation to show
your understanding.
Qualitative data is when someone is referring to descriptions of things and
quantitative data is data referring
The median home price in your area has increased in the last 10 years,
how does this differ from the mean home price in your area? Explain.
Our text states that a median would be a middle score after writing the scores down from lowest
to highest and then
Head Running: - Research, Statistics, and Psychology
1
research and statistics in the field of psychology.
Address:
Define research and the scientific method.
Compare and contrast the characteristics of primary and secondary data. Offer at
least ONE spe