The procedure  that is known to being applied in the follow up study of children who displayed high anxiety symptoms is known as option D: Operant conditioning.
<h3>What is meant by operant conditioning in psychology?</h3>
Operant conditioning is a term that is often called instrumental conditioning.
It is regarded as  a kind of  process where humans and animals are said to learn how they can behave in a way as to be able to get a rewards and also to avoid punishments. 
Note that It is also the name for an experimental psychology where there is such learning and action selection acts are been studied.
Therefore note that The procedure  that is known to being applied in the follow up study of children who displayed high anxiety symptoms is known as option D: Operant conditioning.
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Which procedure is being applied in the follow-up study of children who displayed high anxiety symptoms?
A. Extinction
B. Spontaneous recovery
C. Classical conditioning
D. Operant conditioning
 
        
             
        
        
        
Answer:
A few for Anorexia are: Constipation, faintness, bloating, and abdominal pains. A few for bulimia are: Ulcers, loss of potassium, tooth decay, and Pancreatitis. 
Explanation:
 
        
             
        
        
        
<span>An infant weighs 7lb at birth should weight- 13 lbs by four months of age.
1.5 lb. x 4 (months) = 6 lbs. + 7 lbs (birthweight) = 13 lbs.</span>
        
             
        
        
        
Hey, I understand that you need help but I’d appreciate if you calm down so I can assist you further.
Could you list the following statements that are is the question?
        
                    
             
        
        
        
Answer:
All of the above
Explanation: Mark me the brainliest