I believe the answer is: <span>empowerment
The main purpose of </span><span>empowerment is to make the members of a certain social group to gain enough self confidence to stand up against the prejudice and negative treatment which unfairly given to them. This could be done by training them with a certain skill set or changing their mindset which might previously restrict their growth.</span>
        
             
        
        
        
I believe the answer is D.....hope that helps
        
                    
             
        
        
        
Richard has conducted a study in which he compares the reading skills of six- year-olds, seven-year-old, and eight-year-olds-<u>They use one-way ANOVA Test</u>
Explanation:
The one-way analysis of variance also known as the ANOVA test is used to determine if  there is any  any statistically  difference between the means of two or more independent or unrelated  groups/variables 
It is to be noted that there has to be minimum three groups rather than two groups 
<u>The One-Way ANOVA is commonly used to test the below mentioned data's </u>
- To measure the statistical differences between  the means of two or more groups.  
- To measure the statistical differences between  the means of two or more interventions.
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To measure the statistical differences between  the means of two or more  scores