Answer:
it help us learn about the world
Explanation:
 
        
                    
             
        
        
        
The answer to this question is <span>Longitudinal Study
The main purpose of this type of study is to find out whether a certain variable will give different response if the time factor is change.
Examples of this time of study would be: a sudy to find out how long it need for a certain viruss to develop if it got injected since early age.</span>
        
             
        
        
        
An experimenter flashes the word HERON across the visual field of a man whose corpus callosum has been severed. HER is transmitted to his right hemisphere and on to his left hemisphere. When asked to indicate what he saw, the man says he saw ON but points to HER.
        
             
        
        
        
Joyce’s experience best illustrates ageism, this is where an
individual exhibits discrimination in terms of people’s age. It could be seen
in the statement above as she believes that she was transferred because of her
advanced age which depicts ageism as she tries to discriminate because of her
age.