HCIgrads dataset consists of the responses of 10 graduate
  students to Homeostasis Concept Inventory (HCI) multiple-choice test. It
  contains answers to 20 multiple-choice items, scored items, and total test
  score.
data(HCIgrads)HCIgrads is a data.frame consisting of 10 observations
  on the 42 variables.
Multiple-choice items of the HCI test.
Scored items of the HCI test, "0" incorrect,
  "1" correct.
Total test score.
McFarland, J. L., Price, R. M., Wenderoth, M. P., Martinkova, P., Cliff, W., Michael, J., ... & Wright, A. (2017). Development and validation of the homeostasis concept inventory. CBE-Life Sciences Education, 16(2), ar35. 10.1187/cbe.16-10-0305
HCIdata for HCI full dataset
HCI for HCI dichotomous dataset
HCItest for HCI multiple-choice dataset
HCIkey for key of correct answers for HCI
HCIprepost for HCI pretest and posttest scores
HCItestretest for HCI test-retest dataset