List and briefly describe the three main types of variables in a basic scientific

As Karen develops her sampling plan, she decides to provide an operational definition of her

population of interest. In this case, she is interested in studying "autistic children under age 12". Karen has provided an operational definition of her __________ population. A) area B) study C) research D) target

Research indicates that enlarged ventricles can be detected in people with:

a) Brief psychotic disorder b) Chronic schizophrenia c) Bipolar disorder d) All of the above