Which statement is most true about levels (scale points) of rating scales?
A) When even numbers of levels are used, the scores tend to regress to the middle.
B) A rating scale should typically have three to seven levels of performance.
C) For a beginning teacher, six levels is an ideal number to use.
D) A teacher should use different numbers of levels for various skill components (i.e. serve, volley, overhead smash in tennis) of the sport unit being assessed.
E) All of the above are true.
B
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Label the organs of the lymphatic system
Which of the following pairs are matched correctly? (Select all that apply.)
a. myeloma: bone marrow b. benign tumor: encapsulation c. lymphoma: bone marrow d. tumor-associated antigens: proteins expressed only by tumor cells e. sarcoma: epithelial cell.
Which of the following are early mediators of type I hypersensitivity?
a. leukotrienes, platelet activating factors, histamines, prostaglandins b. histamines, prostaglandins, cytokines, serotonin c. histamines, prostaglandins, IL-4, serotonin, altered phospholipids d. histamines, prostaglandins as well as eosinophil chemotaxins, serotonin
Identify three different types of questions students might ask, and provide a health-related example of each type of question.
What will be an ideal response?