# Study sets matching "behavioral statistics"

Study sets

Diagrams

Classes

Users

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…

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:…

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

population

sample

participants

random sample

the entire group of individuals to which a law of nature appli…

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 appli…

sample

a relatively small subset of a population that is intended to…

statistical notation

the order of operations

rounding

transformation

the standardized code for symbolizing the mathematical operati…

P.E.M.D.A.S - Please Excuse My Dear Aunt Sally, start with Par…

Always carry out calculations with full figures, but round the…

use of a procedure to convert a set of scores into a different…

statistical notation

the standardized code for symbolizing the mathematical operati…

the order of operations

P.E.M.D.A.S - Please Excuse My Dear Aunt Sally, start with Par…

Type One Error

Type Two Error

Hypothesis Testing

Null Hypothesis

Probability of rejecting the null hypothesis when, in the real…

Probability of failing to reject the null hypothesis when, in…

An inferential procedure which uses data from samples to estab…

USUALLY means that the samples selected from the same distribu…

Type One Error

Probability of rejecting the null hypothesis when, in the real…

Type Two Error

Probability of failing to reject the null hypothesis when, in…

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…

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

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

Descriptive Statistics

Inferential Statistics

Variable

Types of Variables

Allows us to summarize or describe a set of numbers.... (Building…

Allows us to make generalizations from the known to the unknow…

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.... (Building…

Inferential Statistics

Allows us to make generalizations from the known to the unknow…

Variability

Purpose of measuring variability

Range

Deviation

quantitative measure of the difference between scores in a dis…

1. Describes the distribution... 2. Describes how well an individ…

distance covered in the distribution from lowest to highest sc…

distance from the mean

Variability

quantitative measure of the difference between scores in a dis…

Purpose of measuring variability

1. Describes the distribution... 2. Describes how well an individ…

True of false. You can't use sum of squ…

Range formula

What is the goal of variability?

Which of the following sets of scores h…

True

High score - low score + 1

To obtain a measure of how spread out the scores are in a dist…

2, 3, 7, 12

True of false. You can't use sum of squ…

True

Range formula

High score - low score + 1

Descriptive Statistics

Inferential Statistics

Variable

Types of Variables

Allows us to summarize or describe a set of numbers.... (Building…

Allows us to make generalizations from the known to the unknow…

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.... (Building…

Inferential Statistics

Allows us to make generalizations from the known to the unknow…

Descriptive Statistics

Inferential Statistics

Variable

Types of Variables

Allows us to summarize or describe a set of numbers.... (Building…

Allows us to make generalizations from the known to the unknow…

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.... (Building…

Inferential Statistics

Allows us to make generalizations from the known to the unknow…

Descriptive Statistics

Inferential Statistics

Population

Parameters

describe the data that you are looking at; for a sample and ca…

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; no…

Descriptive Statistics

describe the data that you are looking at; for a sample and ca…

Inferential Statistics

takes the numbers to make inferences to a big population

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

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…

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

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…

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…

estimated standard error

t statistic

degrees of freedom (df)

t distribution

Estimate of the real standard error, when the population mean…

Is used to test hypothesis about an unknown population mean, w…

The number of individual scores that can vary without changing…

is the complete set of t values computed for every possible ra…

estimated standard error

Estimate of the real standard error, when the population mean…

t statistic

Is used to test hypothesis about an unknown population mean, w…