Researchers examining the genetic factors that impact schizophrenia rely on a combination of twin studies, family studies, adoption studies, and research on endophenotypes. Which of the following stat.
a) Indicate a strong genetic link to schizophrenia
b) Demonstrate the influence of environmental factors on schizophrenia
c) Suggest a combination of genetic and environmental factors contribute to schizophrenia
d) Provide conclusive evidence for a single cause of schizophrenia