Someone who experiences a brief but total loss of memory and a feeling of being disoriented in time is experiencing

What term is used in research to evaluate the truthfulness of a method?

Measurement Standardization Reliability Validity

Research evidence indicates that overreactivity of dopamine receptors may play ______

a. little or no role in either positive or negative symptoms of schizophrenia b. a greater role in the development of positive symptoms than negative symptoms of schizophrenia c. a greater role in the development of negative symptoms than positive symptoms of schizophrenia d. an equal role in the development of both positive and negative symptoms of schizophrenia