<span>A boycott is to refuse to purchase certain goods or service, and a repeal is to cancel a law</span>
        
             
        
        
        
I believe the answer is: Elections
In democratic countries, elections determine which representatives obtained the support of the people and which are not. through election, citizens could identify the representatives that advocated for similar value and principles as us and appoint them as the extension of our involvement during the legislation process.
 
        
             
        
        
        
The answer to this  question is <span>Fast Track Experiment
</span><span>Fast Track Experiment refers to giving a certain group of people a set of special treatment that is catered based on their special circumtances.
</span>For example, for juvenile who acting out because they wanted to feel though, there is a program that could make those juveniles to spend 3 days in prison, so they could directly see the reality behing their actions.
        
             
        
        
        
Industrial and organisational (I/O) psychologists concentrate on how workers behave at work. To enhance the total working environment, including performance, communication, professional satisfaction, and safety, they use psychological concepts and research techniques.
It is crucial to apply the scientific approach to the objective, empirical, and analytical examination of psychological processes for which they needs data and statistics. Researchers can identify cause-and-effect correlations and extrapolate the findings of their studies to bigger populations by using the scientific method. 
Industrial psychology employs correlation, multiple regression, and analysis of variance as quantitative techniques. In I-O research, more sophisticated statistical techniques such logistic regression, structural equation modelling, and hierarchical linear modelling are used (HLM; also known as multilevel modeling).
To learn more  industrial psychologist refer
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I believe the answer is: <span> enforcement powers 
Non-legislative powers refers to the power that is not related to the process of making law. 
Enforcement power is the power for congress to propose </span><span>amendment's provisions by appropriate legislation, which is related to the process of creating new law</span>