SOLVED

51)In order to determine the confidence limits for estimating population characteristics, we need to estimate A)the number of participants we will need. B)how much time the survey will take. C)all of the population parameters. D)the size of the standard deviation of the population for the characteristics we wish to measure. 52)A researcher states she is 95 percent confident that the population mean is between 50 and 75. The confidence interval is A)95 percent. B)5 percent. C)50-75. D)60 plus or minus 5. 53)What is the most important characteristic of any sample? A)It should be homogeneous. B)It should accurately represent the population. C)It should be heterogeneous. D)It should include the entire population. 54)In general, ________ samples represent populations better than do ________ samples. A)heterogeneous; homogeneous B)homogeneous; heterogeneous C)smaller; larger D)larger; smaller 55)A homogeneous population is A)one in which the members are similar to one another. B)one in which there is more diversity. C)a population of people genetically related to homosexuals. D)a population of genetically related people. 56)In which type of population is it more important to have a large sample? A)A homogeneous population. B)A heterogeneous population. C)A stratified population. D)A random population. 57)The smaller the sample size in a survey study, the A)greater our confidence in the results. B)larger the confidence intervals around the population estimates. C)smaller the confidence intervals around the population estimates. D)more difficult it is to develop the survey instrument. 58)A cross-sectional survey design involves administering the survey A)only once to a particular sample. B)to the same group of people more than once. C)to people whose names are on file as volunteer respondents. D)to subgroups of the population. 59)Longitudinal survey designs are also referred to as A)cross-sectional designs. B)panel designs. C)between-subjects designs. D)threshold designs. 60)Which of the following is NOT a basic design used in survey research? A)Cross-sectional design. B)Longitudinal design. C)Experimental design. D)Panel design. 61)In a longitudinal design, the survey is administered A)to the same group of participants successively at different times. B)many times to each participant, with a intervening manipulation that is predicted to have an effect on the survey. C)once to each participant, yielding data on the measured characteristics as they exist at the time of the survey. D)to different groups of people at different times to allow comparisons to be made of population characteristics. 62)If you wanted to understand how people’s attitudes change over time and what factors contributed to the change, you would want to use a A)cross-sectional design. B)between-subjects design. C)factorial design. D)longitudinal design. 63)A longitudinal or panel design is essentially a A)between-subjects design. B)within-subjects design. C)between-groups design. D)within-groups design.Â