Chat with us, powered by LiveChat A researcher conducted an experiment on the effects of a new multivitamin on energy level, with a control group (received nothing), a placebo group, and an experimental group (received the multivitamin). An energy inventory that provided a measure of energy level on a 50-point scale was used, where 50 indicated an individual who feels high levels of a lack of energy. The ANOVA summary table follows, together with the mean energy level score for each condition. Source df SS MS F Between groups 1,202.313 Within groups 2118.00 —— Total 3,320.313 —— —— Drug Condition Mean N Control 36.26 15 Placebo 33.33 15 Multivitamin 24.13 15 a) Complete the ANOVA summary table. b) Is fobt significant at a = .05? c) Perform post hoc comparisons if necessary. d) What conclusions can be drawn from the F- ratio and the post hoc comparisons? e) What is the effect size, and what does it mean? | Writedemy

A researcher conducted an experiment on the effects of a new multivitamin on energy level, with a control group (received nothing), a placebo group, and an experimental group (received the multivitamin). An energy inventory that provided a measure of energy level on a 50-point scale was used, where 50 indicated an individual who feels high levels of a lack of energy. The ANOVA summary table follows, together with the mean energy level score for each condition. Source df SS MS F Between groups 1,202.313 Within groups 2118.00 —— Total 3,320.313 —— —— Drug Condition Mean N Control 36.26 15 Placebo 33.33 15 Multivitamin 24.13 15 a) Complete the ANOVA summary table. b) Is fobt significant at a = .05? c) Perform post hoc comparisons if necessary. d) What conclusions can be drawn from the F- ratio and the post hoc comparisons? e) What is the effect size, and what does it mean?

11 May A researcher conducted an experiment on the effects of a new multivitamin on energy level, with a control group (received nothing), a placebo group, and an experimental group (received the multivitamin). An energy inventory that provided a measure of energy level on a 50-point scale was used, where 50 indicated an individual who feels high levels of a lack of energy. The ANOVA summary table follows, together with the mean energy level score for each condition. Source df SS MS F Between groups 1,202.313 Within groups 2118.00 —— Total 3,320.313 —— —— Drug Condition Mean N Control 36.26 15 Placebo 33.33 15 Multivitamin 24.13 15 a) Complete the ANOVA summary table. b) Is fobt significant at a = .05? c) Perform post hoc comparisons if necessary. d) What conclusions can be drawn from the F- ratio and the post hoc comparisons? e) What is the effect size, and what does it mean?

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cultivitamin on energy level, with a control group (received nothing), a placebo group, and an experimental group (received the multivitamin). An energy inventory that provided a measure of energy level on a 50-point scale was used, where 50 indicated an individual who feels high levels of a lack of energy. The ANOVA summary table follows, together with the mean energy level score for each condition.

 

Source df SS MS F
Between groups   1,202.313    
Within groups   2118.00   ——
Total   3,320.313 —— ——

 

 

Drug Condition Mean N
Control 36.26 15
Placebo 33.33 15
Multivitamin 24.13 15

 

a) Complete the ANOVA summary table.

 

b) Is fobt significant at a = .05?

 

c) Perform post hoc comparisons if necessary.

 

d) What conclusions can be drawn from the F- ratio and the post hoc comparisons?

 

e) What is the effect size, and what does it mean?

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