Answer the following questions:

• Identify the three common factors in a research model.
• Define the types of research and example models for your applications. Which of the models is the most popular and which of the models requires the highest level of research?
• Describe the characteristics that should be taken into account to develop a hypothesis.
• What is called hypothesis testing and what is its usefulness in the research process.
• How many types of errors are found in the hypothesis test? Make a brief description of each of them.