1) Which of these data is not accepted as part of experimental research?​ a) Opinion​ b) Observation​ c) Weight and length​ d) Alkalinity and acidity​ 2) The parts of experimental research have been mentioned in this lesson. What part restates the author’s contribution? a) Abstract ​ b) Discussion​ c) Conclusion​n d) Introduction​ 3) Which is considered as supporting section of research? a) Abstract​ b) Acknowledgment​ c) Conclusion​ d) Keywords​ 4) Experimental research aimed to ____________________.​ a) Describe variables​ b) Study trend analysis​ c) Study the application of theory​ d) ​Establish association between ​variables​ 5) What Types of Experiments are Considered Experimental Research Projects?​ a) Microbiology​ b) Forensic studies​ c) Product Effectiveness​ d) All of the above​ 6) It is one of the alternative explanations in experimental research where any event to which subjects are exposed around the time of the experiment, could account for observed differences between subjects.​ a) history​ b) instrumentation​ c) maturation​ d) mortality​ 7) Researchers can infer causal relationships during experimentation. If participants can select their own treatment condition, groups will not be equivalent. What should the researchers do to address this concern?​​ a) Choose randomization​ b) Handpick the participants​ c) Apply purposive sampling​ d) Select participants without bias​ 8) It is the section in an experimental research paper it help readers decide whether the paper is relevant to their own research interests and therefore worth reading or not.​ a) Title and abstract​ b) Introduction​ c) Methods and materials​ d) Results and discussion​ 9) Which of the following is NOT an advantage of an experimental research?​ a) The results are broad.​ b) You can identify the cause and effect of a hypothesis.​ c) Researchers have a stronger hold over variables to obtain desired results.​ d) The data you collect is a foundation on which to build more ideas and conduct more research.​ e) ​ f) ​ 10) A research participant is also called a human subject or an experiment, trial, or study participant or subject. What do you call the participants who receive the treatment in experimental research?​ a) Control group​ b) Controlled variable​ c) Experimental group​ d) Dependent variable​

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