Answer: Wendy did not use random assignment
Explanation: Wendy's failure to randomly assign participants or subject to his research will pose a threat to the internal validity of his study. The internal validity of a study simply refers to the structure of an experiment and it's trustworthiness in establishing causal relationship between the applied treatment used a study and the observed outcome. Wendy's decision to ignore random assignment and opt for a manual assignment of subject to each treatment will pose a threat to the structure of his study and hence the establishment of a causal relationship between the treatment t and outcome of the study.
3. Contributed to the development of representative democracy
I believe the answer is: <span>internal forces
</span><span>internal forces refers to the forces that come from our instinct.
In the context of crime, it most likely happened because of survival instinct (that caused someone more likely to steal) or instinct to establish dominance (which cause many people to seek confrontation with other people)</span>
Russia, Germany, and Italy were countries that had totalitarian regimes during the twentieth century.
answer: B, Italy
With the promulgation of its constitution in 2015, Nepal replaced a unitary government with a federal system of government. This process has made Nepal a federal democratic republic governed with three levels of government: a federal level, seven provinces and 753 local government.
