Answer:
A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.
For example, let's imagine that researchers are investigating the effects of a new drug. In a double-blind study, the researchers who interact with the participants would not know who was receiving the actual drug and who was receiving a placebo.
Answer:
Sublimation is the correct answer.
Explanation:
The southern colonies relied on plantation because their economy was based off of agriculture.
Kathryn has Arachnophobia. This is the fear of spiders and scorpions. She is, therefore, getting panic attacks by the thought or the presence of spiders. She may observe difficulty in breathing, increased heart palpitations, and sweat. The image of spider may also draw fear. Treatments may involve exposure therapy or medications.