Statistics Final Multiple Choice; correctly solved

The correlational coefficient is how one measures the _____ of a correlation correct answers strength _____ is branch of statistics focused on developing accuate and unibiased tests and measurements correct answers Psychometrics How are degrees of freedom calculated for the r distribution? correct answers N-2 The correlation of height and weight is .75, and the correlation of depression and satisfaction with work is -.42. Which is a stronger correlation? correct answers .75 As the age of a male professore increase, the hair on his head decreases. This is an example of what type of correlation? correct answers negative Based on research with her patients, Dr. Sabine knows that the correlation coefficien is -.35. What is the strength of this relationship? correct answers Medium Tysha notices that every time she wears jewelry to work she has a very productive day....is she correct in assuming that wearing jewelry is the cause for her sucessful days at work? correct answers No; she cannot make causal claims from correlations a ____ correlation is considered small, a ____ medium, and ____ is strong for correlations. correct answers .1, .3,.5 The need for social approval of people in the United State was negative correlated with the U.S. divorce rate during the same time period. This means that: correct answers as the need for social approval increased, divorce rates decreased. What kind of correlation would you expect to find between levels of family income and education level? correct answers positive A measure is said to be valid if: correct answers it measures what it is supposed to measure A perfect correlation will result in a coefficient value of: correct answers - 1.00 or + 1.00 If a negative relation exists between two variables, then low scores on one variable will be assoicated with ___ scores on the other variable correct answers high Researchers who study the process of reading in children....which of the following is a possible cause of this correlation between smooth eye movements and reading ability? correct answers All of these options are possible causes of correlation