Research indicates that effective teaching requires four kinds of professional knowledge, they include: knowledge of content, pedagogical content knowledge, general pedagogical knowledge, and knowledge of learners and learning.
This would be the introductory of your presentation.
Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
Hey You!
As the old clichè claims, the three most important things in retailing are: Location, location, and location.
(It should be option C on your sheet or device).
