Answer:
Yes
Explanation:
Yes, there is the presence of a threat.
This threat is known as instrumentation. There is an Instrumentation threat when changes are made in the instrument, or the changes are made in the researcher, or the scorer when the research is being carried out.
In this question, mrs smith is the one who is the researcher, the program of reinforcement can be called the instrument. She made errors during the first few week but started getting it right in the second week. So there is a slight change in these two weeks. Causing instrumentation threat to how valid the program is.
Answer:
sensations of taste, sound, sight and touch.
processing memories
Explanation:
primarily responsible for vision
damage to this lobe can cause memory loss and loss of the senses
Its D.4xy+4x2+4xz im sorry if it gets you wrong but i just did this question and this was the answer.
Answer: Market maker
Explanation:
Market maker is the person who is participant of market through buying and selling securities ,commodities etc. The person tends to buy shares from the market at low price and then sell them at a higher price.This trading technique helps them in making money .
According to the question, JSE security exchange is market maker.This stock exchange company helps in trading the securities between the trading parties.