# Study sets matching "research 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

Why are the ethical safeguards provided…

It has been suggested that informed con…

What may help to encourage participants…

Which of the following need not be cove…

Researchers may decide against running a study because of the…

Sixth grade

Reassurance of anonymity

The qualifications and organizational affiliation of the resea…

Why are the ethical safeguards provided…

Researchers may decide against running a study because of the…

It has been suggested that informed con…

Sixth grade

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

Measurement Scales

Nominal Scales

Ordinal Scales

Interval Scales

NOIR

Data with no quantitative values, organized into categories wh…

Data are organized into categories which are rank ordered on t…

Data are organized into categories which are rank ordered with…

Measurement Scales

NOIR

Nominal Scales

Data with no quantitative values, organized into categories wh…

Cross-Sectional Study

Cohort Study

Case-Control

Positive Control

Studies a sample of the population @ ONE POINT IN TIME. eg. a…

Studies a sample of the population over time. eg. a researcher…

Study Studies two sample populations, one with and one without…

groups in which an effect is expected because scientists manip…

Cross-Sectional Study

Studies a sample of the population @ ONE POINT IN TIME. eg. a…

Cohort Study

Studies a sample of the population over time. eg. a researcher…

Theory

Hypothesis

Operational definition

Empirical evidence

Set of logically related statements that provide a tentative e…

A precise, educated TESTABLE proposition about the relationshi…

A clear and precise statement of procedures/operations used th…

Evidence that can be experienced/observed through the senses

Theory

Set of logically related statements that provide a tentative e…

Hypothesis

A precise, educated TESTABLE proposition about the relationshi…

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…

In intervention research, this type... of…

In intervention research, this... is often…

These are definitions of mode,... median a…

In a study testing whether... caffeine imp…

What is an... independent... variable?

What is a dependent... variable?

Mode: the value that occurs most often... in a series of numbers…

NULL Hypothesis: There is... no relationship/association... between…

In intervention research, this type... of…

What is an... independent... variable?

In intervention research, this... is often…

What is a dependent... variable?

relationship statistics help to. . .

pearson correlation

pearson correlation as effect size

pearson correlation and agreement

. . . investigate... 1. inter-rater reliability... 2. intra-rater re…

parametric statistics that gives info about strength of relati…

pearson's correlation may also measure. . . ... +/- .1 = small e…

scores may reflect good reliability (co-variation) but poor ag…

relationship statistics help to. . .

. . . investigate... 1. inter-rater reliability... 2. intra-rater re…

pearson correlation

parametric statistics that gives info about strength of relati…

discrete variable

continuous variable

real limits

nominal

can't break the values down into smaller units

infinite number of points between 2 points

those values that are above and below the recorded value by on…

scale composed of categories and is "measured by determining t…

discrete variable

can't break the values down into smaller units

continuous variable

infinite number of points between 2 points

applied

basic

validity

reliability

clear, practical applications

no application, but answers questions of interest

does it measure what it is supposed to measure?

can it be REPEATED with the SAME results?

applied

clear, practical applications

basic

no application, but answers questions of interest

Steps in Data Analysis (5)

What are the 2 types of statistics?

Descriptive Statistics

Inferential Statistics

1)

**Management of missing data**... - this reduces errors... 2) *Des…- Descriptive... - Inferential

Summary statistics that allow data to be organized... (data!!)... -…

Done to identify relationships, examine predictions, and deter…

Steps in Data Analysis (5)

1)

**Management of missing data**... - this reduces errors... 2) *Des…What are the 2 types of statistics?

- Descriptive... - Inferential

frequency distribution

cumalitive frequency distribution

inferential statistics

significant differences

a tabular summary of a set of data showing the frequency of it…

a tabular summary of a set of data showing for each class the…

allows you to answer several kinds of questions about a set of…

a difference that is so large that it is unlikely that the gro…

frequency distribution

a tabular summary of a set of data showing the frequency of it…

cumalitive frequency distribution

a tabular summary of a set of data showing for each class the…

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

Inductive Method

deductive method

validity

predictive validity/criterion validity

experiment first and explain later-research starts by conducti…

explain first and verify later approach, explains events and t…

degree to which an instrument measures what it purports to mea…

the accuracy with whicha test predicts future performance on a…

Inductive Method

experiment first and explain later-research starts by conducti…

deductive method

explain first and verify later approach, explains events and t…

Hindsight Bias

False consensus effect

overconfidence effect

Confirmation Bias

people tend to believe they could have foreseen an event after…

the tendency to overestimate the extent to which others share…

think we know more than we actually do

tendency for people to ignore contrary evidence, looks for inf…

Hindsight Bias

people tend to believe they could have foreseen an event after…

False consensus effect

the tendency to overestimate the extent to which others share…

study designed to describe what is goin…

study designed to look at the relations…

study designed to determine whether one…

A study takes place at a single point i…

Descriptive

Relational

Casual

Cross-sectional

study designed to describe what is goin…

Descriptive

study designed to look at the relations…

Relational

null hypothesis

alternative hypothesis

what is mean best for?

what is median best for?

hypothesis that is tested for possible rejection under the ass…

hypothesis contrary to the null, usually suggests the two vari…

interval / ratio data

ordinal

null hypothesis

hypothesis that is tested for possible rejection under the ass…

alternative hypothesis

hypothesis contrary to the null, usually suggests the two vari…

Empirical Approach

Hindsight Bias

Overconfidence

Theory

Research that uses of the scientific method and provides empir…

You believe, after learning an outcome, that one would have fo…

People feel they know more than they actually do

an idea that describes a behavior/s

Empirical Approach

Research that uses of the scientific method and provides empir…

Hindsight Bias

You believe, after learning an outcome, that one would have fo…

1.6

Wolf

2.4%

ordinal

Sandy Beach Hospital reports

**1652**discharges for September.…Physicians at South Seas Clinics are expected to see six patie…

If there are 150,000 medical records and the Health Informatio…

You are conducting a study on the pain associated with a speci…

1.6

Sandy Beach Hospital reports

**1652**discharges for September.…Wolf

Physicians at South Seas Clinics are expected to see six patie…

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

What is descriptive statistics?

What is inferential statistics?

What is a normal curve?

What is type 1 error?

1. Exploratory analyses- looks at what kind of data we have... 2.…

1. Determines group differences... 2. Examines relationships... 3. M…

A theoretical frequency distribution in which the mean, median…

Rejecting the null when it's not true (saying there is a diffe…

What is descriptive statistics?

1. Exploratory analyses- looks at what kind of data we have... 2.…

What is inferential statistics?

1. Determines group differences... 2. Examines relationships... 3. M…

hindsight bias

overconfidence

operational definition

standardization

knew-it-all-along effect; seeing an event as predictable after…

when we think we know more than we do.... -hindsight bias... -commo…

statement of procedures used to define research variables.... -b…

making sure test conditions are consistent, controlled, and ob…

hindsight bias

knew-it-all-along effect; seeing an event as predictable after…

overconfidence

when we think we know more than we do.... -hindsight bias... -commo…