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1. Multiple choice questions 1. The independent variable in a study is: a. The one that is excluded b. The one that is manipulated by the experimenter c. The one that is…
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  • 1. Multiple choice questions 1. The independent variable in a study is: a. The one that is excluded b. The one that is manipulated by the experimenter c. The one that is observed or measured d. Not of interest to the experimenter 2. A pilot study is a. The first study conducted by a research team b. A preliminary investigation c. A small-scale trial run of a research design d. A research project on efficient flying of aeroplanes 3. Which of the following hypothesis is a non directional hypothesis? a. Participants in the no noise condition do better on the memory test than those in the noise condition. b. Participants who drink alcohol have a slower reaction time than those who have no alcohol c. Participants like words that are familiar more than those that are not familiar d. Participants who expect to perform better will perform differently from those given lower expectations. 4. One reason for using a directional hypothesis is because
  • 2. a. Past research suggests that participants will do better on one condition than another b. Past research is uncertain about how participants will perform c. There is no past research d. The researcher wants to make a strong statement 5. An extraneous variable is a variable that a. Has been controlled by the experimenter b. Confounds the findings of the study c. May influence the dependent variable d. The experimenter wants to find out more about 6. A student plans to investigate the effects of practice on IQ test performance. Some participants are given two practice tests prior to the IQ test, whereas others do not do the test beforehand. The dependent variable in this study is a. The participants b. The effects of practice c. The IQ test performance before the study d. The IQ test performance at the end of the study
  • 3. 7. The study described in question 6 is a. A repeated measures design b. An independent groups design c. A matched pairs design d. A careful design 8. All sampling methods are a. Representative of the target population b. Biased c. Random d. Difficult to conduct 9. Which of the following could not be an extraneous variable in a study? a. An investigator effect b. A confederate c. An order effect d. A lack of standardised procedure 10. Which of the following is a measure of central tendency? a. Range b. Bar chart c. Mode d. Interval
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