Explanation:
it has become less restricted over time.
Answer:
placebo control group
Explanation:
In order to determine that a drug has any effect in the body participants of a study are divided into two groups a group which actually receives the treatment and the other group receives a fake treatment. The participants are unaware of which group they belong to.
The fake treatment group is called the placebo control group. If the drug is actually effective then the placebo control group should not shoe the same effects that the treatment group is showing.
Here, the capsule received by group 2 looks like the capsule with the Ginkgo Biloba herb. The participants of group 2 should not show an increased blood flow to the brain. The participants of group 1 should show an increased blood flow to the brain. This would prove that the Ginkgo Biloba increases blood flow to the brain.
Answer:
A. High expressed emotion in a family is a good predictor of relapse among chronic schizophrenics.
Explanation:
Schizophrenia is a mental disorder characterized by a person losing touch with reality and behaving in an awkward manner in terms of speech, coordination and daily activities . The person affected usually experiences hallucinations and delusions and is triggered by genetic and environmental factors such as emotional stress.
High expressed emotion in a family is a form of emotional stress which serves as a good predictor of relapse among chronic schizophrenics.
Because they actually belonged to the feudal lord who let serfs work on his land in exchange for food while at the same time the serfs were offered protection in times of despair and need.