Question

State the conclusions for this test using APA format. First, describe the correlation coefficient in words and give the value of r. Then give the value of R squared and describe in words the effect size using the coefficient of determination.

Exercise 15.4: Racial Bias and Product Advertising To test the extent to which racial bias influences how positively consumers view products advertised on television, a researcher first asked a sample of participants to complete a racial attitudes survey. Scores on this survey were used to categorize participants as being racially biased or unbiased. Then each participant watched two 30-second advertisement clips. Both advertisement clips were the same, except that a White actor was present in one clip and a Black actor was present in the other clip. Participants were then asked to choose which advertisement was more effective at selling the product all participants had to choose one of the clips). The number of participants (by racial bias category) who chose the opposite-race actor versus the same-race actor clip is given below. Test whether the racial bias of participants and choice of advertisement clip were related at a .05 level of significance. Race of Actor in Advertisement Clip Opposite-Race Actor Same-Race Actor Low 46 High 22 4 0 Racial Bias 42 With regard to the SPSS exercise, answer the following questions: Based on the value of the correlation coefficient, is there a significant relationship? (Circle one) Yes, significant No, insignificant 0.802 Based on the SPSS output, state the following values: Correlation coefficient Coefficient of determination Sample size Significance (2-tailed) 0.443 A -0.597 State the conclusions for this test using APA format. First, describe the correlation coefficient in words and give the value ofr. Then give the value of Rand describe (in words) the effect size using the coefficient of determination.

Answer 1

There exists a strong positive linear relationship between racial bias of participants and choice of advertisement clip, hence as the racial bias participants increases the choice of advertisement clip increases and the correlation coefficient is 0.802. The value of Ris 0.643 that means the variation in choice of advertisement clip explained by racial bias of participants is 64.3%. If you have more questions you can send them to us and we will try our best to help you out. Good luck with your studies!!!