# Study sets matching "behavioral statistics"

Study sets

Diagrams

Classes

Users

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

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 Variabl…

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:…

Inferential Statistics

Null Hypothesis testing

Statistically Significant

Type I error

Draw conclusions about populations and relationship using samp…

The hypothesis that that there is no effect in the population…

Reject the null hypothesis

False positive, rejecting when we shouldn't.

Inferential Statistics

Draw conclusions about populations and relationship using samp…

Null Hypothesis testing

The hypothesis that that there is no effect in the population…

Population

Sample

Statistics

Parameter

Complete collection or set of events in which you are interest…

Set of actual observations; subset of a population

Numerical value summarizing sample data. Identifies patterns a…

Numerical value summarizing population data.

Population

Complete collection or set of events in which you are interest…

Sample

Set of actual observations; subset of a population

Statistics

Sample

Population

Parameters

a number that summarizes info about the sample, or a set of to…

actual observations the researcher makes (The TU students who…

The entire set of events/people in which the researcher is int…

numbers that summarize a whole population [GPA, age, majors of…

Statistics

a number that summarizes info about the sample, or a set of to…

Sample

actual observations the researcher makes (The TU students who…

Independent Measures

When to use Independent t-test

Assumptions Underlying Independent-Meas…

Homogeneity of variance

•Known as between-subjects ... •difference between two population…

• mean or population is unknown... •Test mean difference between…

•Observations within each sample must be independent ... •The two…

Assumption that the two populations from which the two samples…

Independent Measures

•Known as between-subjects ... •difference between two population…

When to use Independent t-test

• mean or population is unknown... •Test mean difference between…

Categorical scales... Naming, labeling, id…

Order or ranking... Position in a series... M…

Provides information about differences…

Single unit differences always have exa…

Nominal Scales

Ordinal Scales

Interval Scales

Ratio Scales

Categorical scales... Naming, labeling, id…

Nominal Scales

Order or ranking... Position in a series... M…

Ordinal Scales

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 no…

1 DV -- DV = continuous/ratio... 1 IV -- IV = binary ... Assumption…

1 DV -- DV = continuous/ratio... 1 IV -- IV = categorical ... Assum…

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 no…

In a grouped frequency table, all inter…

The term dispersion refers to the sprea…

T or F - The y-axis of a frequency poly…

The distance between the highest and lo…

Equal Space

Center

True

Range

In a grouped frequency table, all inter…

Equal Space

The term dispersion refers to the sprea…

Center

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 be…

Parameter

Quantity calculated from a population

Population

The set of all objects we are interested in researching

Population

Sample

Data

Data Set

a set of individuals in interest in a particular study

set of individuals selected from a population who are intended…

refers to the measurements of observations of things we want t…

refers to the entire collection of data within a study (sum of…

Population

a set of individuals in interest in a particular study

Sample

set of individuals selected from a population who are intended…

correlation

correlation coefficient

no relationship

direct relationship

a single number & one of the most common useful stats that des…

main result of a correlation or "r" which ranges from +1.0 to…

when "r" is too close to 0

as A increases, so does B... as A decreases, so does B... positive c…

correlation

a single number & one of the most common useful stats that des…

correlation coefficient

main result of a correlation or "r" which ranges from +1.0 to…

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 t…

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

statistics

population

sample

variable

refers to a set of mathematical procedures for organizing, sum…

the set of all the individuals of interest in a particular stu…

set of individuals selected from a population, usually intende…

a characteristic or condition that changes or had different va…

statistics

refers to a set of mathematical procedures for organizing, sum…

population

the set of all the individuals of interest in a particular stu…

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 distributed…

1. Mean median and mode have the same numerical value... 2.Bell-s…

99.74%

Always equal 0

Characteristics of Normal Curve

1.Many variables in BSS are approximately normally distributed…

Properties of a Theoritical normal curve

1. Mean median and mode have the same numerical value... 2.Bell-s…

population

sample

statistics

parameter

complete set of events in which you are interested

set of actual oberservations; subset of a population

numerical values summarizing sample data

numerical values summarizing population data

population

complete set of events in which you are interested

sample

set of actual oberservations; subset of a population

statistics

population

sample

variable

mathematical procedure of organizing, summarizing, and interpr…

set of individuals of interest in a particular study

a set of individuals selected from a population, usually inten…

a characteristics or condition that changes or has different v…

statistics

mathematical procedure of organizing, summarizing, and interpr…

population

set of individuals of interest in a particular study

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 R…

ASSUMPTION(S): Differences are Normally distributed... DV: 1 Cont…

ASSUMPTION(S): 1. Independence of IV 2. DV is approximately no…

ASSUMPTION(S): 1. Independence of IV 2. DV is approximately no…

One sample t-test

ASSUMPTION(S): Normal Distribution of DV... DV: 1 Continuous or R…

Dependent sample t-test

ASSUMPTION(S): Differences are Normally distributed... DV: 1 Cont…

Descriptive Statistics

Mean

Median

Mode

general set of procedures used to summarize, condense, and des…

Average... A measure of center in a set of numerical data, compu…

Middle number... A measure of center in a set of numerical data…

The value that occurs most frequently in a given data set.... T…

Descriptive Statistics

general set of procedures used to summarize, condense, and des…

Mean

Average... A measure of center in a set of numerical data, compu…

ANOVA

Degrees of freedom

T-test

Homogeneity of variance

Is used to evaluate mean differences between two or more treat…

(df) describes the number of scores in a sample that are indep…

Two sample t-test measures the differences between sample mean…

It is important because violating this assumption can negate a…

ANOVA

Is used to evaluate mean differences between two or more treat…

Degrees of freedom

(df) describes the number of scores in a sample that are indep…

Inferential Statistics

Confidence Interval

Familywise error

Pairwise error

-Draw conclusions about populations amd relationship using sam…

An interval calculated using sample statistics to contain the…

Makes 1 correction and it is used for one pairwise comparison.

Makes a separate correction for each pairwise comparison.

Inferential Statistics

-Draw conclusions about populations amd relationship using sam…

Confidence Interval

An interval calculated using sample statistics to contain the…

What are the 3 most important component…

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 frequently…

- Arithmetic average... - Add all scores and divide by the number…

What are the 3 most important component…

1. Center of a distribution (measures of central tendency)... 2.…

What are the three measures of central…

mean, median, mode

When is an ANOVA used?

Why do we not use multiple t-tests inst…

What is the F-ratio based on?

What is Between-Treatment Variance?

Used to evaluate mean differences between two or more treatmen…

The alpha level is affected

variance instead of sample mean

Differences between sample means... Measures how much difference…

When is an ANOVA used?

Used to evaluate mean differences between two or more treatmen…

Why do we not use multiple t-tests inst…

The alpha level is affected

Levels of Measurement: Questions we ask…

Categorical level of measurement

Ordinal level of measurement

Continuous Level of Measurement

1) are there at least two... 2) are there more than two? ... 3) can…

- think of categories you place people into... -if there's only t…

-can categories be ranked? ... -the quantitative differences betw…

-distances are equidistant... -0 does not imply absence of trait…

Levels of Measurement: Questions we ask…

1) are there at least two... 2) are there more than two? ... 3) can…

Categorical level of measurement

- think of categories you place people into... -if there's only t…