7. Return to the study described in Question 6. The researchers observed a clear relationship between eyelash length and

[answerhappygod]

7 Return To The Study Described In Question 6 The Researchers Observed A Clear Relationship Between Eyelash Length And 1 (52.55 KiB) Viewed 24 times

7. Return to the study described in Question 6. The researchers observed a clear relationship between eyelash length and eye width, but they would not want to conclude that eye width causes eyelashes to grow a certain length because A. it isn't clear if the sample of mammals was randomly selected from the population B. the sample size is too small. C. the researchers used the wrong units of measurement; they should have measured eyelash length and eye width in inches rather than centimeters, D. nobody really cares about how eyelash length and eye width are related. E. the study is observational and this means lurking variables have not been adequately controlled for 8. In a recently published study, researchers reported that poor sleep was significantly linked with teenage depression. In this study, 4,790 teenagers were asked to report how much sleep they got each night, on average, along with the quality of their sleep. They also completed a diagnostic assessment in order to evaluate whether or not they suffered from depression. If we believe that depression is caused by or explained by sleep quality, we would call depression an) A. lurking variable. B. response variable. C. explanatory variable D. independent variable, E. extraneous variable. 9. Retum to the study described in Question 8. The teenagers in this study self-reported the amount and quality of their sleep. If the teenagers gave incorrect information because they could not accurately remember details about their sleeping habits, we would say we have aín) error. A. response B. nonresponse C. sampling D. undercoverage E omission