Measure, record, or evaluate geological data, using sonic, electronic, electrical, seismic, or gravity measuring instruments to prospect for oil or gas. They collect or evaluate core samples or cuttings.

Assist biological and medical scientists in laboratories. They set up, operate, and maintain laboratory instruments and equipment, monitor experiments, make observations, and calculate and record results. They analyze organic substances, such as blood, food, and drugs.

Perform standardized qualitative and quantitative tests to determine physical or chemical properties of food or beverage products.

Prepare studies for proposed transportation projects. They gather, compile, and analyze data. They study the use and operation of transportation systems. They develop transportation models or simulations.

Study the origin, development, and operation of political systems. They study topics, such as public opinion, political decision making, and ideology. They analyze the structure and operation of governments, as well as various political entities. They conduct public opinion surveys, analyze election results, or analyze public documents.

Study human society and social behavior by examining the groups and social institutions that people form, as well as various social, religious, political, and business organizations. They study the behavior and interaction of groups, trace their origin and growth, and analyze the influence of group activities on individual members.

Apply theories and principles of neuropsychology to diagnose and treat disorders of higher cerebral functioning.

Apply principles of psychology to human resources, administration, management, sales, and marketing problems. They perform activities that may include policy planning; employee testing and selection, training and development; and organizational development and analysis. They work with management to organize the work setting to improve worker productivity.

Assess an individuals' problems through the use of case history, interview, and observation and provide individual or group counseling services to assist individuals in achieving more effective personal, social, educational, and vocational development and adjustment.

Diagnose or evaluate mental and emotional disorders of individuals through observation, interview, and psychological tests, and formulate and administer programs of treatment.