Research Methods 2 Definitions

Effect Size

Placebo Group

Non-Parametric Test

Independent Variable

Deduction

Continious Scale

Data Set

Snowball Sample

Central Tendency

Pre-test

Hypothesis testing

Order effects

Dispersion

Related design

Categorical Variable

Measured Variable

Unrelated design

Range

Reification

Factors

Construct Validity

Inter-quartile range

Operational definition

Hypothetical construct

Asymmetrical order effect

Semi inter quartile range

Reliability

Baseline Comparison

Deviation value/ score

Validity

Population

Sample

Simple Random Sample

Systematic Random Sample

Sampling Frame

Factorial Design

Mean Deviation

Non-equivalent Groups

Standard Score

Sampling Distribution

Stratified Sample

Cluster Sampling

Sampling Error

Degrees of freedom

Standard error

Quota Sampling

Self selecting Sample

Variation ratio

Central Limit Theorem

Opportunity/Convenience Sample

Confidence Intervals

Haphazard Sample

Sample statistics

Purposive Sample

Line charts

Skewed Distribution

Natural Experiments.

Participant Variable

time-series

Sampling Bias

Ceiling Effect

Floor Effect

Group difference studies

Kurtosis

Frequency Polygon

Platykurtic

Leptokurtic

Significance test

Explanatory data analysis

Null Hypothesis

Alternative Hypothesis

Mundane realism

Participant Variable

standardized procedure

Experimenter realism

Cumulative frequency

Significance Level

Error Variance

Box plots

Experimental Validity

Deception

Raw data

Frequency Distribution

Debriefing

Threats to Validity

Stress and Discomfort

Percentile

Decile

The Right to Withdraw

Normal Distribution

Categorical weekend

Informed Consent

Construct Validity

Measured Variable

Participant expectancy

Demand Characteristics

Social desirability

Anonymity

Evaluation apprehension

Reactive

Confidentiality

Single Blind

Nominal Level

Double blind

Expectancy control design

Intervention

Independent Variable

Dependent Variables

True Experiment

Quasi-experiments

Between Participants

Within Participants

Population Validity

Frequencies

One-tailed Hypothesis

Critical Value

Two- tailed Hypothesis

Type II Error

ordinal level

Ecological Validity

Internal validity

Effect Size

Interval level

External Validity

Confounding Variables

Power

Meta-analysis

One tailed Test

Hawthorne effect

Two Tailed hypothesis

Critical Case

Lab Experiment

Parametric test

Field experiment

Focus Groups & Panels

Distribution Dependent Test

Placebo

Quasi-interval scales

Sampling Bias

Difference Mean

Ratio

Pooled Variance

Positivism

Control Groups

Discrete Scale