the answers are C,E and im not sure if there is another one
Answer: Regression-artifact
Explanation:
Regression artifact is the process in which non- random samples that represent the population is selected along with defective correlation with each other .
According to the question, cross-over effect in data can tend to eliminate the impact of regression artifact in which different treatment is received by subject in a series to cancel out regression.
Other options are incorrect because history, attrition or local history are not the factors that can be eliminated by crossover effect.Thus, the correct option is regression artifact.
Answer: Sleep apnea
Explanation:
Sleep apnea is the sleeping disorder in which a person experiences pause and start of breathing in continuous manner.Symptoms of this disorder are majorly loud and continuous snoring along with feeling tiredness even after getting complete sleep.
According to the question,Kevin might think that her mother is suffering from sleep apnea due to which she snores loudly while sleeping and feels tired in the morning after sleep.
Answer:
The British were awarded three mandated territories by the League of Nations after WWI: Palestine, Mesopotamia (later Iraq), and control of the coastal strip between the Mediterranean Sea and the River Jordan.