When every member of the population has an equal chance of being in a sample, we call that sample ____________.
a. a lottery
b. random
c. the margin of error
d. good research
ANS: b.
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Allan learned a subtraction fact because he was able to build upon an addition fact he already knew. This is an example of learning through
a. a mnemonic device. b. drill and practice. c. positive reinforcement. d. contingency contracting. e. adding to prior knowledge.
Answer the following statement(s) true (T) or false (F)
Researchers may want to create hypothetical scenarios when manipulation of the independent variable is unethical or unfeasible.
Skylar is playing with the toy truck. She pushes it into the toy garage and then goes to get a different toy truck. Skylar is demonstrating which level of symbolic representation?
a. Level 1: Functioning unitary activity b. Level 2: Inappropriate combinational activity c. Level 3: Appropriate combinational activity d. Level 4: Transitional activities
At what age do children begin to connect maps with their knowledge and experiences?
A. 4 years B. 5 years C. 6 years D. 7 years