acculturation
behaviourism
case study
classical conditioning
cognitive theory
cohort
conditioning
correlation
critical period
cross-sectional research
cross-sequential research
culture
dependent variable
developmental theory
difference-equals-deficit error
differential sensitivity
dynamic-systems approach
ecological-systems approach
empirical evidence
epigenetic
ethnic group
experiment
family systems theory
humanism
hypothesis
independent variable
learning theory
life-span perspective
longitudinal research
nature
nurture
operant conditioning
psychoanalytic theory
qualitative research
quantitative research
race
reinforcement
replication
science of human development
scientific method
scientific observation
sensitive period
social construction
social learning theory
socioeconomic status (SES)
sudden infant death syndrome (SIDS)
survey