Independent Variable

Dependent Variables

True Experiment

Quasi-experiments

Between Participants

Within Participants

One-tailed Hypothesis

Two- tailed Hypothesis

Internal validity

External Validity

Confounding Variables

Lab Experiment

Field experiment

Placebo

Effect Size

Deduction

Hypothesis testing

Categorical Variable

Measured Variable

Reification

Construct Validity

Operational definition

Hypothetical construct

Reliability

Validity

Population

Sample

Sampling Frame

Participant Variable

Sampling Bias

Simple Random Sample

Systematic Random Sample

Stratified Sample

Cluster Sampling

Quota Sampling

Self selecting Sample

Opportunity/Convenience Sample

Haphazard Sample

Purposive Sample

Critical Case

Focus Groups & Panels

Sampling Bias

Positivism

Control Groups

Placebo Group

Independent Variable

Snowball Sample

Pre-test

Order effects

Related design

Unrelated design

Factors

Asymmetrical order effect

Baseline Comparison

Factorial Design

Non-equivalent Groups

Participant Variable

standardized procedure

Error Variance

Experimental Validity

Threats to Validity

Construct Validity

Participant expectancy

Demand Characteristics

Social desirability

Evaluation apprehension

Reactive

Single Blind

Double blind

Expectancy control design

Population Validity

Ecological Validity

Meta-analysis

Hawthorne effect

Natural Experiments.

Group difference studies

Mundane realism

Experimenter realism

Raw data

Categorical weekend

Measured Variable

Nominal Level

Frequencies

ordinal level

Interval level

Quasi-interval scales

Ratio

Discrete Scale

Continious Scale

Data Set

Central Tendency

Dispersion

Range

Inter-quartile range

Semi inter quartile range

Deviation value/ score

Mean Deviation

Degrees of freedom

Variation ratio

Sample statistics

Line charts

time-series

Frequency Polygon

Explanatory data analysis

Cumulative frequency

Box plots

Frequency Distribution

Percentile

Decile

Normal Distribution

Standard Score

Sampling Distribution

Sampling Error

Standard error

Central Limit Theorem

Confidence Intervals

Skewed Distribution

Ceiling Effect

Floor Effect

Kurtosis

Platykurtic

Leptokurtic

Significance test

Null Hypothesis

Alternative Hypothesis

Significance Level

Critical Value

Type II Error

Effect Size

Power

One tailed Test

Two Tailed hypothesis

Parametric test

Distribution Dependent Test

Difference Mean

Pooled Variance

Non-Parametric Test

Deception

Debriefing

Stress and Discomfort

The Right to Withdraw

Informed Consent

Anonymity

Confidentiality

Intervention