A policy of joining with the less strong is known as

If we wanted to determine if hospital admissions for asthmatic attacks were related to air quality, which of the following would be the most appropriate design?

A) ex post facto B) pretest-posttest C) interrupted time-series D) independent groups

By using an interrupted time-series design with a single group of participants, researchers can

A) randomly assign participants to treatment conditions. B) take advantage of data already gathered over a long period of time. C) create a simulated between-subjects design. D) attenuate reliability.