#### Study sets matching "statistics for the behavioral sciences"

#### Study sets matching "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

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

scientific method

empirical approach

Population

The organizing, summarizing, and interpreting information.

is a procedure to observe an identified topic, determine a po…

the empirical approach indicates information is gained by obs…

The population includes all possible subjects to participants…

Statistics

The organizing, summarizing, and interpreting information.

scientific method

is a procedure to observe an identified topic, determine a po…

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

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,…

The number of individual scores that can vary without changin…

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

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,…

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…

Strength

Direction

Positive relationship

Negative relationship

How closely related variables are... How strong

Let's you know what happens to one variable as the other vari…

Two variables moving in the same direction

As one variable goes up the other goes down. (Visversa)

Strength

How closely related variables are... How strong

Direction

Let's you know what happens to one variable as the other vari…

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…

sampling error

distribution of sample means

sampling distribution

central limit theorem

is the natural discrepancy, or amount of error, between a sam…

collection of sample means for all possible random samples of…

is a distribution of statistics obtained by selecting all the…

As the size n of a simple random sample increases, the shape…

sampling error

is the natural discrepancy, or amount of error, between a sam…

distribution of sample means

collection of sample means for all possible random samples of…

Statistics

Population

Sample

Variable

A set of mathematical procedures for organizing, summarizing,…

The set of all the individuals of interest in a particular st…

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 the individuals of interest in a particular st…

Statistics

Population

Sample

Variable

a set of mathematical procedures for organizing, summarizing,…

The Set of all individuals interested in a particular study

the set of individuals selected from a population usually int…

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 interested in a particular study

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…

How do you conduct an experiment?

experimental group

control group

treatment

1. begin with 2 equivalent groups... 2. treat them exactly alike…

the group that receives treatment in an experiment and whose…

no-treatment group to which other groups are compared

one value (or level) of the independent variable

How do you conduct an experiment?

1. begin with 2 equivalent groups... 2. treat them exactly alike…

experimental group

the group that receives treatment in an experiment and whose…

Frequency Distribution

Range

Grouped Frequency Distribution

Class Interval

An organized tabulation of the number of individuals located…

The distance between the lower real limit and the upper real…

Groups of scores presented rather than individual values.

What groups, or intervals, are called in a grouped frequency…

Frequency Distribution

An organized tabulation of the number of individuals located…

Range

The distance between the lower real limit and the upper real…

Statistics

Population

Sample

Variable

Refers to a set of mathematical procedures for organizing, su…

Is the set of all the individuals of interests in a particula…

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

Is a characteristic or condition that changes or has differen…

Statistics

Refers to a set of mathematical procedures for organizing, su…

Population

Is the set of all the individuals of interests in a particula…

Probability

Random Sample

Independent random sample

Sampling with replacement

For a situation in which several different outcomes are possi…

requires that each individual in the population has an equal…

requires that each individual has an equal chance of being se…

To keep probabilities from changing from one selection to the…

Probability

For a situation in which several different outcomes are possi…

Random Sample

requires that each individual in the population has an equal…

empirical distribution

theoretical distribution

What are theoretical distributions use…

probability

scores that come from observations

hypothesized scores based on mathematical formulas and logic

They're used to determine probabilities; when there is a corr…

the degree of possibility that an event will occur

empirical distribution

scores that come from observations

theoretical distribution

hypothesized scores based on mathematical formulas and logic

Hypothesis test

Null hypothesis (H0)

Alternative hypothesis H1

Alpha level, or the level of significa…

(INFERENTIAL PROCEDURE) Is a statistical method that uses sam…

States that in general population there is no change, no diff…

States that there is a change, a difference, or a relationshi…

Is a probability value that is used to define the concept of…

Hypothesis test

(INFERENTIAL PROCEDURE) Is a statistical method that uses sam…

Null hypothesis (H0)

States that in general population there is no change, no diff…

Statistic

Sample

Population

Data

A single number used to describe data from a sample (values o…

A subset, or subgroup, selected from a population

A complete set of people, animals, objects, or events that sh…

The scores or measurements of behavior or characteristics obt…

Statistic

A single number used to describe data from a sample (values o…

Sample

A subset, or subgroup, selected from a population

Statistics

descriptive statistics vs. inferential…

Population

Population Parameter

a branch of mathematics used to summarize, analyze, and inter…

descriptive: organize and summarize information such that the…

A set of all individuals, items, or data of interest, This is…

a characteristic (usually numeric) that describes a population

Statistics

a branch of mathematics used to summarize, analyze, and inter…

descriptive statistics vs. inferential…

descriptive: organize and summarize information such that the…

Statistics

Population

Sample

Variable

A set of mathematical procedures for organizing, summarizing,…

The set of all the individuals of interest in a particular st…

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 the individuals of interest in a particular st…

Central Tendency

Population Mean (m)

Sample Mean (M)

Weighted Mean

A statistical measure to determine a single score that define…

Add all the scores in the population, and then divide by N.

Add all the scores in the population, and then divide by n.

Combines two sets of scores and then finds the overall mean f…

Central Tendency

A statistical measure to determine a single score that define…

Population Mean (m)

Add all the scores in the population, and then divide by N.

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…

What is a chi square test?

What is a chi square distribution?

What does the chi square distribution…

What is the characteristic that distin…

an NHST technique that compares observed frequencies to expec…

a theoretical

**sampling distribution**of chi square valuesthe probabilities needed for decision making about the differ…

the kind of data being tested! for t tests and ANOVA, the dat…

What is a chi square test?

an NHST technique that compares observed frequencies to expec…

What is a chi square distribution?

a theoretical

**sampling distribution**of chi square valuesnull hypothesis statistical testing

How does NHST begin?

μ₀

μ1

a.k.a NHST; a process that produces probabilities that are ac…

it

**always**begins with a claim about a parameter!the known population mean

the symbol for the unknown population mean; this value can be…

null hypothesis statistical testing

a.k.a NHST; a process that produces probabilities that are ac…

How does NHST begin?

it

**always**begins with a claim about a parameter!