Twenty-eight albino rats were randomized into four groups.
Ninety-one patients with chronic pain were randomized into four groups with differing levels of momentary monitoring over 2 weeks.
(b) Mice were randomized into four groups and received the following treatments: Group 1 (NNK−/RES−); Group 2 (NNK+/RES−); Group 3 (NNK+/RES+); Group 4 (NNK−/RES+).
Mice were randomized into four groups to receive bilateral kidney ischemia-reperfusion (IR) injury and treatment with vehicle or Tanshinone IIA (TS) given 24 hours after ischemia.
Participants were randomized into four groups and everyone was asked to complete a Remote Associates Test (a commonly used measurement that judges creative thinking by asking test-takers to find the relationship between a series of words that, as first glance, appear unrelated).
A total of 64 children 4 6 years old with developmental delays were randomized into four groups: (1) multimedia visual perceptual group training (15 subjects); (2) multimedia visual perceptual individual training group (15 subjects); paper visual perceptual group training (19 subjects); and (4) a control group (15 subjects) with no visual perceptual training.
Animals were randomized into four groups (n = 5).
Students were randomized into four groups (G 1 4) (Fig. 1).
METHODS: Twenty-four New Zealand White rabbits were randomized into four groups: normal, sham, C3-C6 wide laminectomy, and C3-C6 open-door laminoplasty.
Twenty-four Sprague-Dawley rats were randomized into four groups: no exercise, moderate duration, high duration, and extra high duration treadmill exercise.
Twenty-four 10- to 14-week-old male Sprague-Dawley rats were housed individually and randomized into four groups: moderate duration exercise (MD, n = 6), high duration exercise (HD, n = 6), extra high duration exercise (EHD, n = 6), or no exercise (control, n = 6).
