Chapter 01 Introduction

Chapter 1

How has the human population changed over the past 10,000 years?

What are two reasons that the United States is following a different demographic path from other developed countries?

What are the differences between developed countries and developing countries in terms of cultural values, income, and education?

Define the term socioeconomic status (SES).

What does it mean to say that a country varies in terms of SES, gender roles, and ethnicity? How does each impact development?

What is natural selection? How did it affect human development?

How can we apply information about human evolution to how humans are today?

What is the scientific method? (Name and describe the five steps.)

What is a hypothesis? How do psychologists test their hypotheses with surveys, correlational studies, and experiments?

What is a cross sectional design of a survey/observation vs. a longitudinal design?

Define and give examples of positive correlation and negative correlation.

Which research method allows us to make conclusions about cause and effect?

What are the key ethical standards for human development research?

Key Terms to define/understand. Be able to define and give examples of these terms:


total fertility rate (TFR)

developed countries

developing countries



socioeconomic status (SES)


natural selection


Homo sapiens

evolutionary psychology

scientific method


research method


informed consent

experimental research method

cross-sectional research


longitudinal research