IB Psych Research Methods + All of Biological: Vocabulary

Experimental hypothesis

Null hypothesis

Snowball Sampling

Maximum variation type

Homogenous type

Typical case sampling

Purposive (Selected) Sampling

Volunteer (Self-Selecting) Sampling

Opportunity Sampling

Random Sampling

Social pain

Spatial memory

Topographical memory

Family studies

Adoption studies

Genetic factors in adoption studies

Experimental designs

Independent group design (IGD)

Repeated measures design (RMD)

Matched pairs design (MPD)

Ethical issues

Reliability

Internal reliability

Internal Validity

External reliability

External Validity

Validity

Face validity

The experimental method

Independent variable (IV)

Dependent variable (DV)

Operationalization

Extraneous (or controlled) variables

Confounding variables

Demand characteristics

Hawthorne effect

Screw you effect

Single-blind

Investigator/Researcher effects

Double-blind

Reflexivity

Laboratory experiments

Field experiments

Natural experiments

Participant observation

Non-participant observation

Overt observation

Covert observation

Naturalistic observations

Sampling procedures

Event Sampling

Time Sampling

Questionnaires/Surveys

Open questions

Closed questions

Structured interviews

Unstructured interviews

Semi-structured interviews

Focus group

Positive correlation

Negative correlation

Case studies

Methods Triangulation

Triangulation of Sources

Researcher Triangulation

Theoretical Triangulation

Correlational Data

Positive Correlation

Negative Correlation

MRI

CAT Scan

Autopsy

Localization

Neuroplasticity

Structural imaging

Functional imaging

Positron Emission Tomography (PET)

fMRI

Frontal lobe

Selective Placement

Theory of Natural Selection

Concordance Rate

Nurturing

Family / Kinship Studies

Adoption Studies

Synapse

Axon

Cell Body

Serotonin

Dopamine

Testosterone

Genes

Oxytocin

Adrenaline

Acetylcholine (ACh)

Holistic approach

Reductionist approach

Physical Pain

Concordance rates

Interactionist approach