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.
Treaty of Fort Laramie Two years after the Treaty of Fort Laramie, several southern Plains nations signed a treaty at (this place) in Nebraska.
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D.) It helps us predict future changes in the atmosphere or climate.
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Answer:
material cultural This type of cultural talk about object or physical things that can be tangible and which is created by man. Non material culture is the aspects of cultural deals with non- physical object which cannot be touch or feel but express though behaviour
The United States would not interfere in the internal affairs of or the wars between European powers; (2) the United States recognized and would not interfere with existing colonies and dependencies in the Western Hemisphere; (3) the Western Hemisphere was closed to future colonization; and (4) any attempt by a European power to oppress or control any nation in the Western Hemisphere would be viewed as a hostile act against the United States.
