9. A common use of causal research is test marketing A True B. False we mean the relative sizes of the descriptors. 10. By A. Description B. Order C. Distance D. Origin 11. Which statement is true? A Comparative scales are metric B. Non-comparative scales are non-metric C. Comparative scales are non-metric D. Non-comparative scales are non-parametric. 12. The scale is a unipolar rating scale with 10 categories numbered from 5 to +5, without a neutral point (zero). A. Stapel B. semantic differential C. Likert D. Continuous rating 13. Which statement is false? systematic or random error A. Reliability refers to the extent to which a scale produces consistent results it repeated B. The validity of a scale may be defined as the extent to which differences in observed scale scores reflect true differences among objects on the characteristic being measured, rather than C. Random error affects the measurement in a constant way. D. On forced rating scales, the respondents are forced to express an opinion, because a no opinion" option is not provided. 14. Which information in a questionnaire should be obtained first? B. Basic C. Identification D. It doesn't matter. 15. In sampling, an initial group of respondents is selected, usually at random. After being interviewed, these respondents are asked to identify others who belong to the target population of interest. A convenience B. quota C. snowball D. systematic 16. Which is not part of target population in the sampling design process? A. Element B. Sample size C. Sampling unit D. Extent 17. If the sample size is equal to or more than 10% of the population, what should you do? A Use the finite population correction B. Change the confidence level C. Change the level of precision D. Change the z value