What is the variance?
a. The difference between the lowest and highest score
b. The difference between a score and the mean
c. The average squared distance from the mean
d. A measure of central tendency
Ans: c
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Research suggests that by the time the baby is 3 months of age, breast feeding for mothers ______.
a. sharply increased b. increased c. decreased d. sharply decreased
The Law of Reflection states that
a..................................the angle of incidence is the complement of the angle of reflection. b.................................................the angle of incidence is opposite the angle of reflection. c.....................................the angle of incidence is always equal to the angle of reflection. d..the angle of incidence and the angle of reflection are totally independent from each other.
If a researcher collects data using an instrument from a group of participants who vary greatly from the instrument’s norming group, what does this mean?
a. The study is only moderately valid b. You should downgrade your evaluation of the quality of the research study because the measurement was of highly questionable validity c. You can assume that the instrument still worked well d. The study had a high interscorer reliability correlation
Which is a mistake when completing an application?
A. Be ambiguous about your qualifications, keeping your options open if more than one position is available. B. Be concise. C. Use abbreviations where possible. D. Be thoughtful in your word choice, such as "downsized" versus "fired."