Which is the best method available for controlling placebo effects in both the

subject and the experimenter?

A quota sampling

B. Blocking

C. Double blind conditions

D. Blind condition

E Randomization

How did the development of plantation agriculture in the Americas influence West African economic and political systems? AP World History

Which of the following describes fossil fuels? A) stored solar energy B) stored water energy C) locked up energy found in igneous rock units D) completed biological decomposition of dead organic matter

Although the atrocities against African Americans were well known, why was so little done to prevent them?

Introduction on fashion

Students typically receive college credit for an AP course if: A. They receive a score of 3 or higher on the AP exam in the subject covered by the course. B. They complete the course with a grade of B or better. C.

Which of the following underlying issues significantly increased the effects of the Hurricane Katrina catastrophe in New Orleans?

If a technologically advanced civilization in a nearby star system transmitted messages intended for us, how long would it take for the messages to reach us? A) a few minutes B) a few days C) several months D) several years

According to the unit, which of the following is one of the first steps in meal planning? Seeing what you already have on hand Asking friends what they think you should eat Choosing recipes that require a lot of unusual ingredients Making sure that

Famous dex or lil pump?

A person who can shift rapidly and easily from one learning pattern to another is a (n) student answer: dynamic learner. bridge learner. strong-willed learner. avoidance learner.