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.
Alexander The Great founded the city of Alexandria on the Nile Delta.
Answer:
Political cooperative effort
Explanation:
The United Nations primarily a political cooperative effort as it is universal and consists of different political nations and international organizations, The main purposes of this organization is the maintainance of peace and security internationally, and the promotion of economic and social advancement peoples from all nations, with the achievement of international cooperation among nations.
Answer:
She would be studying <em>Pioneer species.</em>
Explanation:
- It would be a pioneer species because Lichen is a fungi and fungi grow in a bunch of different random places.
The amendment states that "the House of Representatives shall choose immediately, by ballot, the President”
