An investigator found strong evidence that elderly teachers and young teachers scored low on an aptitude test while middle-aged teachers scored high on this test. This is an example of
a. high positive Pearson’s r correlation.
c. curvilinear relationship.
b. high negative Pearson’s r correlation.
d. lack of relationship between variables.
C
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A teacher who wanted to use external rewards with students who were already highly interested in a topic would
a. provide students with positive feedback about their performance. b. provide no rewards to students. c. provide rewards only to the top 15 percent of students. d. give large rewards to students for attempting to complete difficult tasks.
Measuring equity is
a. complex. b. relatively simple. c. mathematically equivalent in each state. d. a formula driven by each state’s constitution.
Parents have a constitutional right to control each and every aspect of their children’s education and oust the state’s authority
Indicate whether the statement is true(T) or false(F).
What is a working directory?
a. It is the console in which R commands are typed. b. It is the default location where R will search for and save files. c. It is a list of work contacts. d. It is a collection of commands typed into R in one session.