Which of the following statements best describes digital badges as a new educational credential?
a. Institutions of higher education issue digital badges after a student has successfully completed a for-credit course.
b. Organizations award digital badges after students demonstrate they have mastered a skill or competency.
c. Local businesses give digital badges to students who earn high grades in school.
d. School systems nominate teachers for digital badges as a way to recognize excellence in teaching.
B
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A baby lifts her head, then her head and shoulders. This is an example of the growth principle of
a. cycles of growth. b. cephalocaudal growth. c. proximodistal growth. d. sequential growth.
Three groups of 15, 15, and 13 participants are each given a different dose of alcohol. The control group, with 12 participants, is given no alcohol. Participants in all groups are then given a simulated driving test and their reaction time for applying the brakes at red lights is measured and recorded. ANOVA is run and the null is rejected. To find out if the average performance of Groups 1 and 2 differed significantly from Group 3, which post hoc test should be run?
a. two t-tests b. Scheffe test c. Tukey test d. planned comparisons e. It is inappropriate to run further tests because p < .01.
Which of the following statements describe the connection between level of stress and well-being?
a. The more stress we have in our lives, the healthier we are b. The less stress we have in our lives, the better c. Both too much or too little stress can be damaging d. The level of stress only influences our mental well-being, and it does not influence our physical well being,
The practice of sending nude or semi-nude pictures from cell phone to cell phone is
a. Blogging. b. Texting. c. Social networking. d. Sexting.