1) A dependent variable is what the investigator manipulates to investigate a change in a second variable a) True b) False 2) An example of a dependent variable would be the scores of an IQ test a) True b) False 3) To be sure that it is the IV that has produced the change in the DV, the researcher must ensure all other variables are constant a) True b) False 4) An example of operationalised varaible would be a defintion of what counts as violent behaviour a) True b) False 5) An experiment generates quantative data? a) True b) False 6) The null hypothesis predicts that the results obtained from an investigation are nt due to chance alone a) True b) False 7) This is an example of a directional hypothesis: Younger drivers will have more accidents a) True b) False 8) Counterbalancing involves equal numbers of participants undertaking the tasks required of them a) True b) False 9) A repeated measures design involves using different participants in each condition of the experiment a) True b) False 10) A matched pairs design would use people of the same intelligence in each group a) True b) False 11) Validity is concerned with the extent to which something measures what it sets out measure a) True b) False 12) There are many different types of validity a) True b) False 13) The term reliabilty means dependability or consistency a) True b) False

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