Complete Solutions
/. What is the primary focus of developmental science research methods? - Answer-To
study human development across the lifespan.
/.What ethical obligation do developmental scientists have? - Answer-To conduct ethical
research with human subjects.
/.What is the first step in the scientific method? - Answer-Ask a question.
/.List three data collection measures used in developmental research. - Answer-
Observational, self-report, and physiological measures.
/.What is a pro of observational studies? - Answer-They allow for high accuracy of
information by observing behaviors in natural settings.
/.What is a con of observational studies? - Answer-People may act differently if they
know they are being observed.
/.What is the purpose of questionnaires in research? - Answer-To collect data from a
large sample of people.
/.What is a limitation of physiological measures? - Answer-They can be difficult to
interpret.
/.What is a case study? - Answer-An observational research method focusing on one or
a few individuals.
/.What is a major limitation of case studies? - Answer-Research findings are not
generalizable to a larger population.
/.Define correlational research. - Answer-A study that examines the relationship
between two or more variables without indicating cause and effect.
/.What does a correlation coefficient indicate? - Answer-The strength and direction of
the correlation between variables.
/.What type of correlation is indicated when more babies are held and they cry less? -
Answer-Negative correlation.