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.
It may actually work to increase "the importance of some social stimuli".
Oxytocin is a neurotransmitter and a hormone that is formed in the hypothalamus. From that point, it is transported to and emitted by the pituitary gland, at the base of the brain. It assumes a job in the female conceptive capacities, from sexual action to labor and breast feeding.
Without the sun hitting and being in Earth’s shadow the plants will eventually die with no food for the astronauts. Along with carbon increasing in the air, they will eventually run out of air to breath safely
What are the answer choices ?