Command economy mixed economy and traditional economy
Answer:
a. sham lesion control group.
Explanation:
The experimenter will need to conduct a sham or placebo surgery or in simple words a fake surgery or radio frequency lesion on the rats in the control group. This will look like radio frequency lesion to the control group but in actual will be done just to induce the sham or placebo effect for studying the changes in emotional behavior to the lesion. Hence, the experiment will require a sham lesion control group.
Answer: Psychological barrier
Explanation:
Psychological barrier is defined as the hurdles that occurs due to the faith a person persist in term of potential, worth, capabilities etc on their own-self.This behavior can produce incorrect manner of thinking due to which person tends to decline offers, show impaired behavior and persist lack of knowledge.
According to the question, the person is displaying psychological barrier as he is thinks that new proposed method by his boss is not required.He is displaying this thinking as per his dysfunctional thoughts because he thinks he has potential thinking capability.