The level of statistical significance that we use in psychol

The level of statistical significance that we use in psychology is: .01 .05 .10 .50 The statistical significance of research results tell us the probability that: our results were due to chance our results are useful our results are biased all of these are true Which of the following represents the strongest correlation? -.05 +.45 +.10 -.47

Solution

20. In statistical analysis In psychology null hypothesis accepted if p value is greater than the significance level and rejected less than p value. Usually it is consider that if level of significance 5% deviated (less than 0.05) consider as significant.

So answer is b. 0.05

21. Statistical analysis is used signify your result that in different group there is significant difference or these groups or similar. So the answer is b) our result is useful

22. correlation is three types positive, negative and no correlation. The correlation varies between -1 to 1. So more positive correlation value represents strong correlation. Answer d) + 0.45