How do psychologists conduct research? a psychologist studies the effects of exam review strategy on long-term memory. college students are randomly selected and then randomly assigned to one of four groups. group 1 studies using visual information only. group 2 studies using auditory information only. group 3 studies using visual and auditory information. group 4 does not study at all. the students follow the instructions for how they must study for four days to prepare for a 100-question multiple-choice test. they all read the same chapter in the textbook and all take the same exam. exam scores are then recorded.

Identify the trade regulation concept described in each scenario. protectionism free trade trade war country a and country b want to develop their respective export markets. both countries have highly developed agricultural, industrial, and service sectors. the countries decide to initially lower trade barriers and eventually remove them completely. arrowright country a has an agrarian economy with an emerging industrial sector. to allow domestic industries to grow, country a applies quotas on all industrial products except those that are used as resources. arrowright country a passes an economic policy that will indirectly give its own companies an advantage over country b’s companies. country b alleges that the policy violates the countries’ trade agreement and imposes retaliatory tariffs. arrowright