The point biserials are in parentheses after each option.
Practice #1
Which of these assessment findings is most indicative that the condition of a patient with renal insufficiency is deteriorating?
a. Anasarca* (-0.22)
b. Nocturia (0.30)
c. Prurtitis (0.03)
d. Fatigue (0.14)
p value 0.40
Practice #2
A client enters the Emergency Department with a knife protruding from his chest. The best nursing actin is
a. Immediately remove the knife. (0. 00)
b. Leave the knife in place.* (0.43)
c. Clean the exposed knife with betadine. (0.00)
d. Cover the area with a sterile towel soaked in saline. (0. 25)
P value 0.65
1. Describe what the p value for this question mean. Describe how it is calculated. 2. Identify if the question is difficult. Describe how the educator determines if the question was difficult or not. 3. Describe what the point biserial (ptbis) means. Discuss, in general, what the information the ptbis gives the test writer. 4. Discuss the ptbis for each distractor and what it means for that distractor? 5. Based on the point ptbis, describe the decision the educator should make about this test item. 6. If the item needs revision,