Study sets matching "behavioral statistics"

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Study sets matching "behavioral statistics"

84 terms
Behavioral Statistics - Unit I
Descriptive Statistics
Inferential Statistics
Variable
Types of Variables
Allows us to summarize or describe a set of numbers.... (Buildin…
Allows us to make generalizations from the known to the unkno…
Any characteristic that can vary or take on different values.
1. Continuous Variable... 2. Discrete (Categorical) Variable
Descriptive Statistics
Allows us to summarize or describe a set of numbers.... (Buildin…
Inferential Statistics
Allows us to make generalizations from the known to the unkno…
Behavioral Statistics
Population
Sample
Statistics
Parameter
Complete collection or set of events in which you are interes…
Set of actual observations; subset of a population
Numerical value summarizing sample data. Identifies patterns…
Numerical value summarizing population data.
Population
Complete collection or set of events in which you are interes…
Sample
Set of actual observations; subset of a population
Behavioral Statistics
Dependent Samples T-Test
One Way ANOVA
Independent Samples T-Test
Factorial ANOVA
*More than one time point... Dependent Variable: 1, Continous or…
Dependent Variable:1, Continuos or Ratio... Independent Variable…
Dependent Variable: 1,Continuos or Ratio... Independent Variable…
Dependent Variable: 1, Continuous or Ratio... Independent Variab…
Dependent Samples T-Test
*More than one time point... Dependent Variable: 1, Continous or…
One Way ANOVA
Dependent Variable:1, Continuos or Ratio... Independent Variable…
37 terms
Behavioral Statistics
In a grouped frequency table, all inte…
The term dispersion refers to the spre…
T or F - The y-axis of a frequency pol…
The distance between the highest and l…
Equal Space
Center
True
Range
In a grouped frequency table, all inte…
Equal Space
The term dispersion refers to the spre…
Center
Behavioral Statistics
Descriptive statistics
inferential
probability
Population
describes data you have
when you try and make generalizations to population
bridge to both descriptive and inferential statistics
entire group you are interested in
Descriptive statistics
describes data you have
inferential
when you try and make generalizations to population
Behavioral Statistics
Process of determining whether/not, or…
Assigning a non-numerical label to rep…
Which Scales are purely quantitative?
.
Measurement
Classification
Interval, Ratio
.
Process of determining whether/not, or…
Measurement
Assigning a non-numerical label to rep…
Classification
66 terms
Behavioral Statistics
Nominal Scale
Ordinal Scale
"High Ordinal" Scale
Interval Scale
Reporting Descriptive Statistics:... Categories are used. The va…
Reporting Descriptive Statistics:... Categories are used, but ar…
Reporting Descriptive Statistics:... There is no guarantee that…
Reporting Descriptive Statistics:... The difference between "1"…
Nominal Scale
Reporting Descriptive Statistics:... Categories are used. The va…
Ordinal Scale
Reporting Descriptive Statistics:... Categories are used, but ar…
85 terms
Statistics for the Behavioral Sciences
Goal of correlational studies
How data is collected in correlational…
Strengths of correlational studies
Weaknesses of correlational studies
To establish the degree of relationship that exists between/a…
Survey instruments and/or interviews
- Large amount of info... - Short time period... - Easily generaliz…
- Cannot determine causal relationships... - Survey/interview qu…
Goal of correlational studies
To establish the degree of relationship that exists between/a…
How data is collected in correlational…
Survey instruments and/or interviews
Behavioral Statistics - Chapter 3
frequency - (f)
How do you find frequency - (f) ?
N
distribution
the number of times a score occurs
count the number of times a particular score occurs
the total number of scores in the data, listed as a total of…
any organized set of data
frequency - (f)
the number of times a score occurs
How do you find frequency - (f) ?
count the number of times a particular score occurs
Behavioral Statistics
Characteristics of Normal Curve
Properties of a Theoritical normal curve
3 Standard deviations about the mean
Mean of z score distribution
1.Many variables in BSS are approximately normally distribute…
1. Mean median and mode have the same numerical value... 2.Bell-…
99.74%
Always equal 0
Characteristics of Normal Curve
1.Many variables in BSS are approximately normally distribute…
Properties of a Theoritical normal curve
1. Mean median and mode have the same numerical value... 2.Bell-…
Behavioral Statistics
Independent Measures
When to use Independent t-test
Assumptions Underlying Independent-Mea…
Homogeneity of variance
•Known as between-subjects ... •difference between two populatio…
• mean or population is unknown... •Test mean difference between…
•Observations within each sample must be independent ... •The tw…
Assumption that the two populations from which the two sample…
Independent Measures
•Known as between-subjects ... •difference between two populatio…
When to use Independent t-test
• mean or population is unknown... •Test mean difference between…
20 terms
Behavioral Statistics
One Sample t-Test
Dependent Samples t-Test
Independent Samples t-Test
One Way ANOVA
1 DV -- DV = continuous/ratio; ... 0 IV... Assumptions: outcome is…
1 DV -- DV= continuous/ratio... 1 (or 0) IV -- IV = binary (or n…
1 DV -- DV = continuous/ratio... 1 IV -- IV = binary ... Assumptio…
1 DV -- DV = continuous/ratio... 1 IV -- IV = categorical ... Assu…
One Sample t-Test
1 DV -- DV = continuous/ratio; ... 0 IV... Assumptions: outcome is…
Dependent Samples t-Test
1 DV -- DV= continuous/ratio... 1 (or 0) IV -- IV = binary (or n…
Behavioral Statistics
Parameter
Population
Sample
Random Sample
Quantity calculated from a population
The set of all objects we are interested in researching
A subset of the population
When each member of a population has an equal likelihood of b…
Parameter
Quantity calculated from a population
Population
The set of all objects we are interested in researching
Behavioral statistics
What are the 3 most important componen…
What are the three measures of central…
What is central tendency?
Describe the mean (M)
1. Center of a distribution (measures of central tendency)... 2.…
mean, median, mode
a single score that is the most typical, common, or frequentl…
- Arithmetic average... - Add all scores and divide by the numbe…
What are the 3 most important componen…
1. Center of a distribution (measures of central tendency)... 2.…
What are the three measures of central…
mean, median, mode
13 terms
Behavioral Statistics
Statistics
Parameter
Nominal Scale of Measurement
Ordinal Scale of Measurement
It is a field of study concerned with summarizing data, inter…
A value calculated in a population. For example, the mean of…
One of the levels of measurment that uses one class or anothe…
Ordered values, but there is no set distance between each value
Statistics
It is a field of study concerned with summarizing data, inter…
Parameter
A value calculated in a population. For example, the mean of…
26 terms
Behavioral Statistics
When is an ANOVA used?
Why do we not use multiple t-tests ins…
What is the F-ratio based on?
What is Between-Treatment Variance?
Used to evaluate mean differences between two or more treatme…
The alpha level is affected
variance instead of sample mean
Differences between sample means... Measures how much differenc…
When is an ANOVA used?
Used to evaluate mean differences between two or more treatme…
Why do we not use multiple t-tests ins…
The alpha level is affected
Statistics for Behavioral Sciences
What are the three measures of variabi…
Variability
Range
Range Formula: for Continuous Data
The range, the variance, and the standard deviation
The extent to which scores vary within a dataset
The distance between the smallest and largest score in a data…
URL, Xmax - LRL, Xmin
What are the three measures of variabi…
The range, the variance, and the standard deviation
Variability
The extent to which scores vary within a dataset
129 terms
Behavioral Statistics
Categorical scales... Naming, labeling, i…
Order or ranking... Position in a series…
Provides information about differences…
Single unit differences always have ex…
Nominal Scales
Ordinal Scales
Interval Scales
Ratio Scales
Categorical scales... Naming, labeling, i…
Nominal Scales
Order or ranking... Position in a series…
Ordinal Scales
30 terms
behavioral statistics
statistics
population
sample
variable
mathematical procedure of organizing, summarizing, and interp…
set of individuals of interest in a particular study
a set of individuals selected from a population, usually inte…
a characteristics or condition that changes or has different…
statistics
mathematical procedure of organizing, summarizing, and interp…
population
set of individuals of interest in a particular study
Behavioral Statistics
One sample t-test
Dependent sample t-test
Independent sample t-test
One way ANOVA
ASSUMPTION(S): Normal Distribution of DV... DV: 1 Continuous or…
ASSUMPTION(S): Differences are Normally distributed... DV: 1 Con…
ASSUMPTION(S): 1. Independence of IV 2. DV is approximately n…
ASSUMPTION(S): 1. Independence of IV 2. DV is approximately n…
One sample t-test
ASSUMPTION(S): Normal Distribution of DV... DV: 1 Continuous or…
Dependent sample t-test
ASSUMPTION(S): Differences are Normally distributed... DV: 1 Con…
Behavioral Statistics - Test 1
Descriptive Statistics
Inferential Statistics
Variable
Types of Variables
Allows us to summarize or describe a set of numbers.... (Buildin…
Allows us to make generalizations from the known to the unkno…
Any characteristic that can vary or take on different values.
1. Continuous Variable... 2. Discrete (Categorical) Variable
Descriptive Statistics
Allows us to summarize or describe a set of numbers.... (Buildin…
Inferential Statistics
Allows us to make generalizations from the known to the unkno…
99 terms
Behavior Statistics
George is interested in studying the e…
Haley wants to research how many email…
A frequency distribution in which high…
If the scores on a test have a mean of…
quasi-experimental design ... (Enigma Ch 1)
collect data from a sample of teachers and make generalizatio…
Negatively skewed... (Discovering Stats Ch 1)
-2... (Discovering Stats Ch 1)
George is interested in studying the e…
quasi-experimental design ... (Enigma Ch 1)
Haley wants to research how many email…
collect data from a sample of teachers and make generalizatio…
18 terms
Statistics for the Behavioral Sciences
statistics
population
sample
variable
a set of mathematical procedures for organizing, summarizing…
the set of all individuals of interest in a particular study
a set of individuals selected from a population, usually inte…
a characteristic or condition that changes or has different v…
statistics
a set of mathematical procedures for organizing, summarizing…
population
the set of all individuals of interest in a particular study
44 terms
Statistics for health/behavioral sciences
Two-Factor ANOVA
Factors
Fully Crossed design
Example of nested factors
compares the mean differences between groups that have been s…
independent variables, in T-F ANOVA must have 2+ levels... We in…
every combination of levels of factors
3 Public schools and 3 Private schools. All levels (schools)…
Two-Factor ANOVA
compares the mean differences between groups that have been s…
Factors
independent variables, in T-F ANOVA must have 2+ levels... We in…
Behavioral Statistics - Chapter 1
statistical notation
the order of operations
rounding
transformation
the standardized code for symbolizing the mathematical operat…
P.E.M.D.A.S - Please Excuse My Dear Aunt Sally, start with Pa…
Always carry out calculations with full figures, but round th…
use of a procedure to convert a set of scores into a differen…
statistical notation
the standardized code for symbolizing the mathematical operat…
the order of operations
P.E.M.D.A.S - Please Excuse My Dear Aunt Sally, start with Pa…
63 terms
Behavior Statistics
Raw Scores
Frequency (f)
Frequency Distribution
Bar Graph
the scores initially measured in a study
the number of times each score occurs in a set of data; also…
a distribution showing the number of times each score occurs…
a graph showing a vertical bar over each X score, but adjacen…
Raw Scores
the scores initially measured in a study
Frequency (f)
the number of times each score occurs in a set of data; also…
85 terms
Behavioral Science Statistics
what question do cross-sectional studi…
what do cross-sectional studies measure
what do case-control studies look for
what question do case-control studies…
what is happening?
prevalence
prior exposure/risk factor in groups of people either with th…
what happened?
what question do cross-sectional studi…
what is happening?
what do cross-sectional studies measure
prevalence
Behavioral Statistics - Chapter 2
population
sample
participants
random sample
the entire group of individuals to which a law of nature appl…
a relatively small subset of a population that is intended to…
also called subjects; the individuals studied and measured as…
the participants in our sample are randomly selected from the…
population
the entire group of individuals to which a law of nature appl…
sample
a relatively small subset of a population that is intended to…
75 terms
Statistics for Behavioral Science
In a sample of women, the number of ch…
Military ranks are an example of what…
Gender is an example of what level of…
In which of the following situations i…
Ratio
Ordinal
Nominal
The researcher has ordinal data
In a sample of women, the number of ch…
Ratio
Military ranks are an example of what…
Ordinal
28 terms
Behavioral Statistics Chapter 2
Quantitive Variable
Qualitative Variable
Relationships
Strength of a Relationship
A score that indicates the "amount" of a variable that is pre…
A score that classifies an individual on the basis of some ch…
Occurs when a change in one variable is accompanied by a cons…
The extent to which one value of Y is consistently associated…
Quantitive Variable
A score that indicates the "amount" of a variable that is pre…
Qualitative Variable
A score that classifies an individual on the basis of some ch…
54 terms
Behavioral Statistics Exam 1
Statistics
History
Descriptive Statistics
Mean
-The mathematics of the collection, organization, and interpr…
-State Numbers ... -Governments generate volumes of statistical…
Produces a number or a figure that summarizes or describe a s…
The arithmetic average
Statistics
-The mathematics of the collection, organization, and interpr…
History
-State Numbers ... -Governments generate volumes of statistical…
51 terms
Behavioral Statistics Chapter 1 & 2
Statistics
Population
Sample
Variable
A set of mathematical procedures for organizing, summarizing,…
The set of all the individuals of interest in a particular st…
The set of individuals selected from a population, usually in…
A characteristic or condition that changes or has different v…
Statistics
A set of mathematical procedures for organizing, summarizing,…
Population
The set of all the individuals of interest in a particular st…
Behavioral Statistics Formulas
X
ΣX
frequency = f
N
a score... Score___... X= 6.......... X= 5.......... X= 2.......
the sum of the scores (ΣX = X+X+X)... Score______________f... X= 6…
the number of times a score occurs
the total number of scores in the data; the total number of f…
X
a score... Score___... X= 6.......... X= 5.......... X= 2.......
ΣX
the sum of the scores (ΣX = X+X+X)... Score______________f... X= 6…
32 terms
Behavioral Statistics Exam 3
hypothesis
hypothesis/significance testing
null hypothesis (H0)
alternative hypothesis
a statement or proposed explanation for an observation, a phe…
a method for testing a claim or hypothesis about a parameter…
statement about a population parameter, such as the populatio…
statement that directly contradicts a null hypothesis by stat…
hypothesis
a statement or proposed explanation for an observation, a phe…
hypothesis/significance testing
a method for testing a claim or hypothesis about a parameter…
10 terms
behavioral statistics chapter 18
An SRS of 18 recent birth records at t…
Bags of a certain brand of tortilla ch…
Bags of a certain brand of tortilla ch…
The water diet requires one to drink t…
1.53
0.26
A stemplot of the data has a large outlier
we would not reject H0 at significance level 0.10.
An SRS of 18 recent birth records at t…
1.53
Bags of a certain brand of tortilla ch…
0.26
63 terms
Behavioral Statistics - Unit I
Descriptive Statistics
Inferential Statistics
Variable
Types of Variables
Allows us to summarize or describe a set of numbers.... (Buildin…
Allows us to make generalizations from the known to the unkno…
Any characteristic that can vary or take on different values.
1. Continuous Variable... 2. Discrete (Categorical) Variable
Descriptive Statistics
Allows us to summarize or describe a set of numbers.... (Buildin…
Inferential Statistics
Allows us to make generalizations from the known to the unkno…
Behavioral Statistics Exam 1
Data
Descriptive statistics
Inferential statistics
Statistics
Bits and pieces of information.
Using numbers to describe or condense a larger group of numbe…
Allow researchers to draw conclusions or make inferences abou…
Trying to understand data.
Data
Bits and pieces of information.
Descriptive statistics
Using numbers to describe or condense a larger group of numbe…
28 terms
Behavioral Statistics- DU
Descriptive Statistics
Inferential Statistics
Correlation
Experiment
Organizing and summarizing data, looking for relationships
Tells us if data can be generalized beyond population
Measuring 2 things and seeing if there is a pattern. Nothing…
Groups are assigned randomly by researcher. MManipulates a va…
Descriptive Statistics
Organizing and summarizing data, looking for relationships
Inferential Statistics
Tells us if data can be generalized beyond population
Statistics for Behavioral Science
In a sample of women, the number of ch…
Military ranks are an example of what…
Gender is an example of what level of…
In which of the following situations i…
Ratio
Ordinal
Nominal
The researcher has ordinal data
In a sample of women, the number of ch…
Ratio
Military ranks are an example of what…
Ordinal
18 terms
Behavioral Statistics Midterm
Understand, explain, predict, control
Faith, intuition, rationalism, empiric…
Phenomenology
Sample
Goal
Ways of knowing
purpose and meaning given through senses
Statistics
Understand, explain, predict, control
Goal
Faith, intuition, rationalism, empiric…
Ways of knowing
Behavioral Statistics Exam 2
normal curve
area under normal curve
z score 0 - 1
z score 1-2
bell shaped and symetrical
percent of scores in that range
34.13%
13.59%
normal curve
bell shaped and symetrical
area under normal curve
percent of scores in that range
Behavioral Statistics 3-6
reliability
validity
dependent variable
independent variable
repetitive guarantee of consistancy
test accuracy
outcome
measuring tool
reliability
repetitive guarantee of consistancy
validity
test accuracy
Fundamental Statistics for Behavioral Sciences, Ch1
Absolute Zero Point
Categorization
Constant
Continuous Variable
A value that indicates nothing at all exists of the attribute…
Judgment that a person, object, or score fits into a category…
Quantity that does not change its value within a given contex…
A variable that theoretically can assume an infinite number o…
Absolute Zero Point
A value that indicates nothing at all exists of the attribute…
Categorization
Judgment that a person, object, or score fits into a category…
Statistics for Behavioral Science
In a sample of women, the number of ch…
Military ranks are an example of what…
Gender is an example of what level of…
In which of the following situations i…
Ratio
Ordinal
Nominal
The researcher has ordinal data
In a sample of women, the number of ch…
Ratio
Military ranks are an example of what…
Ordinal
Chapter 3 Behavioral Statistics
Pie Chart
Histogram
Central tendency
Mode
Area of circle that represents percentage of sample correspon…
Summarize the frequency of continuous data that are grouped
Statistic that identifies the center of a distribution
The value in the data set that occurs the most
Pie Chart
Area of circle that represents percentage of sample correspon…
Histogram
Summarize the frequency of continuous data that are grouped
15 terms
Behavioral Statistics Terms
Descriptive Statistics
Inferential Statistics
Population
Sample
- summarize data... - organize data... - simplify data... - simply des…
- use stats from your data to infer characteristics about the…
The entire collection of events in which you are interested -…
The subset of data that we use to make claims about the entir…
Descriptive Statistics
- summarize data... - organize data... - simplify data... - simply des…
Inferential Statistics
- use stats from your data to infer characteristics about the…
72 terms
Statistics for behavioral sciences exam #1
Descriptive Statistics
Inferential Statistics
Population
Parameters
describe the data that you are looking at; for a sample and c…
takes the numbers to make inferences to a big population
the entire group that you are interested in; usually large
the numbers that we calculate or measure from a population; n…
Descriptive Statistics
describe the data that you are looking at; for a sample and c…
Inferential Statistics
takes the numbers to make inferences to a big population
Statistics for the Behavioral Sciences Chapter 8
hypothesis test
null hypothesis
alternative hypothesis
level of significance or alpha level
is a statistical method that uses sample data to evaluate a h…
(Ho) states that in the general population there is no change…
(H1) states that there is a change, a difference, or a relati…
is a probability value that is used to define the concept of…
hypothesis test
is a statistical method that uses sample data to evaluate a h…
null hypothesis
(Ho) states that in the general population there is no change…
13 terms
Behavior Statistics Quiz 5
All of the other 3 choices are correct
Proportions in both tails are LESS tha…
0.4192
0.8413
Which of the following is a requirement for a random sample?
Which of the following accurately describes the proportions i…
What proportion of a normal distribution is located between t…
A vertical line drawn through a normal distibution at z = -1.…
All of the other 3 choices are correct
Which of the following is a requirement for a random sample?
Proportions in both tails are LESS tha…
Which of the following accurately describes the proportions i…
basic Statistics in the behavioral terms
Statistics
population
Descriptive Statistics
Inferential statistics
Descriptive, inferential, correlation/prediction
all possible observations about which we'd like to know somet…
summarize numerical info
allow to draw conclusions about population from the sample da…
Statistics
Descriptive, inferential, correlation/prediction
population
all possible observations about which we'd like to know somet…
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