a. Study in which the researcher observes or measures subjects of different ages just once-----Cross-sectional study
A cross-sectional study includes taking a gander at individuals who vary on one key trademark at one particular point in time. The information is gathered in the meantime from individuals who are comparable on different attributes however unique on a key factor of intrigue, for example, age, pay levels, or geographic area. Members are generally isolated into bunches known as cohorts. For instance, analysts may make cohorts of members who are in their 20s, 30s, and 40s.
b. Psychologist that is best known for researching moral development-------Lawrence kohlberg
Lawrence Kohlberg was a twentieth century psychologist known principally for his investigation into moral psychology and development. Kohlberg's stages of moral development were affected by the Swiss therapist Jean Piaget's stage-based theory of development.
Kohlberg developed Piaget's two stages, distinguishing six phases of moral development. He contended that right good thinking was the most critical factor in moral basic leadership, and that right good thinking would prompt moral conduct. Kohlberg trusted that people advance through phases of good improvement similarly as they advance through phases of cognitive development.
c. Study of how people change as they grow older.-----------Developmental psychology
Developmental psychology refers to a scientific approach which intends to clarify development, change and consistency however the life expectancy. Formative brain research takes a gander at how considering, feeling, and conduct change all through a man's life.
A huge extent of theories inside this discipline center upon improvement amid adolescence, as this is the period amid a person's life expectancy when the most change happens.
Developmental psychologists ponder an extensive variety of hypothetical territories, for example, natural, social, feeling, and psychological procedures.
d. Study in which the researcher repeatedly observes or measures subjects of the same age as they grow older----------Longitudinal study
A longitudinal study is an observational research strategy in which information is accumulated for similar subjects more than once over some stretch of time. Longitudinal research tasks can reach out over years or even decades.
In a longitudinal cohort study, similar people are seen over the examination time frame. Associate examinations are basic in pharmaceutical, brain science and humanism, where they enable analysts to think about changes after some time.
e. Argument about the relative contribute of heredity and environment to development-----------Nature-nurture debate
The nature versus nurture debate is one of the most established philosophical issues inside psychology.
Nature alludes to the majority of the qualities and innate elements that impact our identity—from our physical appearance to our identity attributes.
Nurture alludes to all the natural factors that effect our identity, including our initial youth encounters, how we were raised, our social connections, and our encompassing society.