Over the course of an experiment, when some of the respondents change their opinions or attitudes and this impacts their score on the dependent variable, this change is classified as which extraneous variable? O selection bias O history O maturation O testing effects O instrumentation Question 2 How consumers shop for TurboTax is similar to how banking customers might first shop for a bank or financial institution and how they might shop in subsequent years. When the majority of customers are first looking for a financial institution or tax preparation software they will treat it as a good, and in subsequent years they are likely to treat it as a good because of potential switching costs. shopping; specialty specialty; specialty shopping; shopping O specialty; convenience Question 3 Classifying the questions on a survey as nominal, ordinal, interval or ratio O is great material for mulitiple choice questions is a useless exercise informs the researcher about the statistics that can be used on the data O none of the above Question 4 Rather than use word labels (e.g., strongly disagree, disagree, neutral, agree, strongly agree) for response options on a Likert style survey question, Hal suggested that the end points could be labeled and numbers be used. For example the response options might be strongly Disagree=1, 2, 3, 4, and Strongly Agree=5. Hal suggested this change because he is just hard to get along with O it makes the respondent's job more difficult O it should avoid an argument about whether the scale is interval or ordinal O all of the above are correct none of the above are correct