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Why won't my laptop recognize my CD drive?
I have a Gateway laptop that runs Vista, and for the last week or so, it has failed to recognize that it has a CD drive. It used to be that when a CD was inserted, the computer automatically came up with a wizard asking me what program I wanted to use for the disc. Now, not only does it not do that, but if I go to "Computer," it only shows my main and recovery hard drives. Anyone have an idea how this might have happened and what I can do to fix it?
3 AnswersSoftware1 decade agoStatistics: How do I prove a significant difference between the results of control and experimental groups?
I'm trying to finish a term paper for a social science research class. I'm trying to test whether or not the Motor Voter Act resulted in a significant difference in presidential election turnout. Since there are four states (MN, ND, WI, WY) exempt from MV, I'm using them as a control group. To control for historical differences in state-by-state turnout, I'm comparing the difference in the change in aggregate turnout between the two groups for the two elections before (88 & 92) and after (96 and 00) MV took effect. My hypothesis is that there will not be a significant difference between the changes in the two groups, suggesting that MV did not result in any significant change in voter turnout. I tried weighting each according to the applicable population, adding a nominal variable to differentiate the groups, and crosstabling, but that doesn't seem to work.
How can I compare the two cases statistically? Also, any help on how to run the reports on SPSS would be _extremely_ helpful.
1 AnswerOther - Social Science1 decade agoStatistics: How do I prove a significant difference between the results of control and experimental groups?
I'm trying to finish a term paper for a 400-level social science research class. I'm trying to test whether or not the Motor Voter Act resulted in a significant difference in presidential election turnout. Since there are four states (MN, ND, WI, WY) exempt from MV because their registration laws were already at least as lax as MV prescribes, I'm using them as a control group. To control for historical differences in state-by-state turnout, I'm comparing the difference in the change in aggregate turnout between the two groups for the two elections before (88 & 92) and after (96 and 00) MV took effect. My hypothesis is that there will not be a significant difference between the changes in the two groups, suggesting that MV did not result in any significant change in voter turnout.
How can I compare the two cases in order to test my hypothesis statistically? Thanks for all your help.
3 AnswersMathematics1 decade agoWhich is the correct statistical operation to use to determine significance in this situation?
I'm writing a term paper for a 400-level social science research course in which I hypothesize that the Motor Voter Act increased voter registration, but not actual turnout. My analysis involves trying to show that there was no significant difference in the change in voter turnout in presidential elections after the passage of the Motor Voter Act in 1993 compared to the change in turnout in the four states (MN, ND, WI, WY) that are exempt from Motor Voter because they already had registration laws that were at least as liberal as those prescribed in the act. I'm using the registration and turnout numbers for 88 and 92 (Pre MV) and comparing them to 96 and 00 (Post MV). What type of analysis (regression, correlation, chi-square, etc.) should I run and how should I set it up? Since my experimental group (46 states) is so much larger than my control group (only 4), can I switch their positions and treat the states that didn't change as the experimental group? Thanks.
3 AnswersMathematics1 decade agoHow do you insert a caption below a pic in a Word document?
I've inserted a pic into a paper I'm writing, and I'd like to throw in a caption so my prof knows what the picture represents. Unfortunately, when I go to Format-->Picture, the tab labeled "Text Box" is grayed out. What do I need to do to be able to add in a line or two of text below the picture?
3 AnswersSoftware1 decade ago