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.
Answer:
The conclusion that can be drawn from the research shows that the choice of cars among the men and the woman is subject according to their opinions and needs.
While the women made a choice due to the need to have a reliable car (hence not needing a new one in few years to come ), the men made their choice based on the colour of the car (inoder to bring out the beauty of the car).
Explanation:
Hi
There many rules John Smith instituted in Jamestown, but the most common one was, "He would does not work, shall not eat".
Is based on supply and demand. With little or no government control. Buyers and sellers are allowed to transact freely if on mutual price agreement without state interfering in the form of taxes, subsidies or regulation.
Answer:
<em>C. copyright laws</em>
Explanation:
Copyright law can be described as the right of an author or creator with which law is made so that his/her work is not copied by any other source. The copy right recognized the original creator and content. Anybody who tries to steal the work or content of the other person is punished severely according to the laws. This law hence stops other people to abstain from making money from other people's work.
