# Study sets matching "research methods statistics"

Study sets

Diagrams

Classes

Users

mean

mode

median

nominal

- the average, very sensitive to the influence of outliers... - d…

the value that appears the most

the middle value

unordered categories (skin colors: black, white, yellow)... - mode

mean

- the average, very sensitive to the influence of outliers... - d…

mode

the value that appears the most

Hindsight bias

hypothesis

replication

case study

The tendency to believe, after learning an outcome, that one w…

A testable prediction, often implied by a theory

Repeating the essence of the research, usually with different…

A descriptive technique in which one individual or group is st…

Hindsight bias

The tendency to believe, after learning an outcome, that one w…

hypothesis

A testable prediction, often implied by a theory

Experiment

Naturalistic Observation

Case Study

Correlational Study

Random selection, double blind, and random assignment... -Only ty…

Watching people, observations made without interfering with th…

studies one person/group ... - can't apply variables!! ... Pros: in…

relationship between two variables that already exist ... Pros: c…

Experiment

Random selection, double blind, and random assignment... -Only ty…

Naturalistic Observation

Watching people, observations made without interfering with th…

structuralism

functionalism

gestalt psychology

phychoanalysis

- focused on the structure or basic elements of the mind... - eve…

- how the mind allows people to adapt, live, work, and play... -…

- focus on perception and sensation, particularly of patterns…

-theory and therapy based on freud's work: unconcious mind, ps…

structuralism

- focused on the structure or basic elements of the mind... - eve…

functionalism

- how the mind allows people to adapt, live, work, and play... -…

Hindsight Bias

Applied Research

Basic Research

Hypothesis

-Tendency upon hearing about research findings (and many other…

-Research that psychologists conduct to solve practical proble…

-Research that explores questions that are of interest to psyc…

-A statement that expresses a relationship between two variabl…

Hindsight Bias

-Tendency upon hearing about research findings (and many other…

Applied Research

-Research that psychologists conduct to solve practical proble…

hypothesis

theory

validity

reliability

a specific, testable proposition about something someone wants…

set of statements that can be used to account for, predict, an…

The extent to which a test measures or predicts what it is sup…

Ability of a test to yield very similar scores for the same in…

hypothesis

a specific, testable proposition about something someone wants…

theory

set of statements that can be used to account for, predict, an…

Hindsight bias

hypothesis

replication

case study

The tendency to believe, after learning an outcome, that one w…

A testable prediction, often implied by a theory

Repeating the essence of the research, usually with different…

A descriptive technique in which one individual or group is st…

Hindsight bias

The tendency to believe, after learning an outcome, that one w…

hypothesis

A testable prediction, often implied by a theory

mean

mode

median

nominal

- the average, very sensitive to the influence of outliers... - d…

the value that appears the most

the middle value

unordered categories (skin colors: black, white, yellow)... - mode

mean

- the average, very sensitive to the influence of outliers... - d…

mode

the value that appears the most

Cluster Anal

Effect Size

Prob Sampling

Rdm Err

Grp people/objects into smaller # of mutually exclusive/exhaus…

Meas of mag of rel btwn IVs/DVs to interpret rel significance…

Each element in target pop has known chance of being selected…

Unpredictable err; includes

**sampling err**(inaccuracy of samp…Cluster Anal

Grp people/objects into smaller # of mutually exclusive/exhaus…

Effect Size

Meas of mag of rel btwn IVs/DVs to interpret rel significance…

Hindsight Bias

Overconfidence

Theory

Hypothesis

The tendency to believe that, after learning about an outcome,…

The tendency to overestimate one's own abilities, their explan…

An idea that explains events, organizes facts, and makes predi…

A prediction that when tested will either confirm or reject yo…

Hindsight Bias

The tendency to believe that, after learning about an outcome,…

Overconfidence

The tendency to overestimate one's own abilities, their explan…

Inferential Statistics

Sample

Inferences

Random Sampling

Analysing sampled data in order to draw inferences about the w…

A randomly chosen subset of the items/subjects in the populati…

Always involve a degree of uncertainty, as we generalise from…

- increases ability to generalise to a population... - reduces ch…

Inferential Statistics

Analysing sampled data in order to draw inferences about the w…

Sample

A randomly chosen subset of the items/subjects in the populati…

Hindsight bias

Critical thinking

theory

hypothesis

The tendency to believe, after learning an outcome, that one w…

thinking that does not blindly accept arguments and conclusion…

An explanation using an integrated set of principles that orga…

A testable prediction, often implied by a theory

Hindsight bias

The tendency to believe, after learning an outcome, that one w…

Critical thinking

thinking that does not blindly accept arguments and conclusion…

Descriptive Statistics

Measures of Central Tendency

Mode

Mean

Sum up data to make it more understandable

A measurement of data that indicates where the middle of the i…

The most frequently occurring score(s) in a distribution.

The arithmetic average of a distribution, obtained by adding t…

Descriptive Statistics

Sum up data to make it more understandable

Measures of Central Tendency

A measurement of data that indicates where the middle of the i…

measure of central tendency: purpose

3 measures of central tendency

mean

median

provide 1 # that describes a large set of data

mean... median... mode

average of a set of numbers... ∑ = sum... x = individual score... N = t…

middle score in a data set that divides the data set in half s…

measure of central tendency: purpose

provide 1 # that describes a large set of data

3 measures of central tendency

mean... median... mode

sample

naturalistic observation

case study

survey

a subset of the population

watching behavior in real-world settings without trying to man…

intensive study of a single person, group, incident, or commun…

an information-gathering tool for quantitative data analysis

sample

a subset of the population

naturalistic observation

watching behavior in real-world settings without trying to man…

What is data analysis?

What is qualitative data?

What is quantitative data?

What are the strengths of qualitative d…

Turning of data into information

Data that is expressed in words, like descriptions

Data that is expressed numerically, which usually scores or me…

-It offers richness and detail, as participants have more lice…

What is data analysis?

Turning of data into information

What is qualitative data?

Data that is expressed in words, like descriptions

Cluster Sampling

This is an extension of Classical Test…

Criterion Contamination

Null hypothesis posits this

Randomly selecting a naturally occurring group of participants…

Generalizability Theory

Occurs when a rater knows how a ratee did on a predictor test,…

No effect in the population. For example, in a study examining…

Cluster Sampling

Randomly selecting a naturally occurring group of participants…

This is an extension of Classical Test…

Generalizability Theory

hindsight bias

critical thinking

theory

hypothesis

the tendency to believe, after learning an outcome, that we wo…

thinking that does not blindly accept arguments and conclusion…

an explanation using an integrated set of principles that orga…

a testable prediction, often implied by a theory

hindsight bias

the tendency to believe, after learning an outcome, that we wo…

critical thinking

thinking that does not blindly accept arguments and conclusion…

Measurement reliability

Assumptions of measurement reliability

Test-retest reliability

Test-retest reliability influencing fac…

Being consistent... To measure in the same manner and result in…

1. Stable characteristics of subjects.... e.g. electronic scale (…

Assess reliability of an instrument or measuring system.... Same…

Factors that may influence the reliability rating... other than r…

Measurement reliability

Being consistent... To measure in the same manner and result in…

Assumptions of measurement reliability

1. Stable characteristics of subjects.... e.g. electronic scale (…

Tenacity

Authority

Pure reason

Priori method

Belief-based explanations.

Believing something because someone in authority says it's tru…

Believing something because it logically must be that way.

Gaining conclusions from deduction rather than empirical evide…

Tenacity

Belief-based explanations.

Authority

Believing something because someone in authority says it's tru…

Parametrics

Nonparametrics

Population

Sample

Type of Data:... Either interval or ratio data. Assumes that the…

Type of Data:... Data that are either counted (nominal scale) or…

Group of people

Subset of the population

Parametrics

Type of Data:... Either interval or ratio data. Assumes that the…

Nonparametrics

Type of Data:... Data that are either counted (nominal scale) or…

descriptive statistics

frequency distribution

frequency histogram

central tendency

used for organizing and summarizing the properties of a set of…

a table that gives a visual picture of the observations on a p…

a graph showing how many of the cases in a batch of data score…

a measure of what value the individual scores tend to center on

descriptive statistics

used for organizing and summarizing the properties of a set of…

frequency distribution

a table that gives a visual picture of the observations on a p…

Hindsight bias

Critical thinking

theory

hypothesis

The tendency to believe, after learning an outcome, that one w…

thinking that does not blindly accept arguments and conclusion…

An explanation using an integrated set of principles that orga…

A testable prediction, often implied by a theory

Hindsight bias

The tendency to believe, after learning an outcome, that one w…

Critical thinking

thinking that does not blindly accept arguments and conclusion…

What is pseudoscience?

Why is it good to measure things many t…

What is the null hypothesis?

What are the two types of statistics te…

A bad combination of a theory and evidence. Some hypotheses ca…

After multiple measurements, we can take the average and this…

The null hypothesis states that there are no real differences…

Tests of difference and tests of correlation: how are two sets…

What is pseudoscience?

A bad combination of a theory and evidence. Some hypotheses ca…

Why is it good to measure things many t…

After multiple measurements, we can take the average and this…