Calculate cohens kappa for interobserver reliability

Reference no: EM131872389

Reliability Assignment

Instructions: You may use your book to find the appropriate formula. To receive full credit, you must write out the formula and show all of your work. Please make sure you put your name on the paper. Each question is worth 10 points for a total of 50 points.

1. Calculate Cronbach's alpha where N=500 and p=0.25. Provide your recommendation based on the alpha level obtained.

2. Calculate Cronbach's alpha where N=75 and p=0.05. Provide your recommendation based on the alpha level obtained.

3. Calculate Cohen's kappa for Interobserver reliability where Pr(a)=35 and Pr (e)=25. Provide your recommendation based on the kappa level obtained.

4. Calculate Cohen's kappa for Interobserver reliability where Pr(a)=68 and Pr (e)= 60. Provide your recommendation based on the kappa level obtained.

5. Calculate the percent agreement where the # of agreements =350 and the # of disagreements =82. Provide your recommendation based on the percent agreement obtained.

- Formula

α= Np / [1+ p(N-1)]

- Components of the formula

α = Cronbach's alpha
N= number of items
P= mean inter-item correlations

- Interpretation

Range from 0 to 1
Higher the value, the stronger the internal consistency
Acceptable minimum 0.70

Reference no: EM131872389

Questions Cloud

Compute kimm total standard cost per unit : Manufacturing overhead. Overhead is applied at a rate of $4.30 per direct labor hour. Compute Kimm's total standard cost per unit

Explain the difference between an ethical dilemma : Need a 300-500 word essay! Explain the difference between an ethical dilemma and an ethical lapse.

What is annual interest rate corresponds : What is annual interest rate corresponds to a nominal rate of 17.50% compounded continuously.

Frequent excesses occur on the existing overdraft : Internal bank records indicate that frequent excesses occur on the existing overdraft and the mortgage bond in the personal name of the owner is two months in a

Calculate cohens kappa for interobserver reliability : Calculate Cohen's kappa for Interobserver reliability where Pr(a)=35 and Pr (e)=25. Provide your recommendation based on the kappa level obtained.

Thinking about the entrepreneur process : I recommend the book but it is a tougher read than Little Bets. Both books represent a new way of thinking about the entrepreneur process.

Good approach to text mining on yourself : Please explain what would be a good approach to text mining on yourself? Please describe the goal and exactly how you would code the information.

Which of the three projects has the highest present value : Assume a discount rate of 6 percent is used, which of the three projects has the highest present value?

Needs and expectations of different stakeholders : 1. Assess the potential conflicts which may arise between the needs and expectations of different stakeholders

User Account

All Pages