Professional development refers to:
a. Teaching students how to learn about careers they may be interested in
b. Teachers continuing their education in order to advance to higher positions such as in administration
c. Continuous learning by teachers so that they may have fresh knowledge and ideas to present to their class
d. Showing students how to behave properly so that they will make good impressions on people
Correct answer: b
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What percent of teachers cite incidents of verbal or physical threats from students during the past twelve months (Crowley, 1993)
a. 10 percent c. 30 percent b. 20 percent d. 40 percent
Which statement best represents the Karl Popper’s criterion of falsifiability?
a. The most important property of a scientific theory is that it is capable of being supported by empirical data if it is true b. The most important property of a scientific theory is that it is capable of being refuted by empirical data if it is false c. When testing a theory, strong conclusions from a study can be drawn based on either supporting or refuting data d. If there is a single study that does not support a theory it should be abandoned
The mean is:
a. The score value that divides the distribution in half b. The average score c. The most frequent score d. A measure of variability
There is a strong positive correlation between frequency of flossing one’s teeth and life expectancy. However, frequency of flossing and life expectancy are both related to other variables that promote a healthy lifestyle. Thus, the correlation between frequency of flossing and life expectancy appears to be a(n) ______ correlation.
a. illusory b. random c. spurious d. experimental