In the given context Dr, Anderson should use cross sectional research approach to fulfill his requirements.
<h3>What is research?</h3>
Research is referred to as the creation of a new concept based on experiments and deep study of the concept verified by the sources to use it professionly.
The cross-sectional approach of research helps the researcher to measure all the outcomes of the study at the same time. This will be used to identify the different traits of the participants of the research.
Dr.  Anderson wants to study the development of depression based on age and gender which reflects two traits of personality, so he should use the cross-sectional approach of research to receive outcomes at the same time.
Learn more about research, here:
brainly.com/question/18723483
#SPJ1
 
        
             
        
        
        
That looks like when most of the troops drafted into the Vietnam War
        
                    
             
        
        
        
Shifting cultivation is an agricultural system in which plot of land are cultivated temporarily, then abandoned while post-disturbance fallow vegetation is allowed to freely grow while the cultivator moves on to another plot.