An experimental design must provide __________, so that the effects of the independent variable can be evaluated unambiguously
a. control c. variability
b. hypotheses d. external validity
A
You might also like to view...
A(n) ____ is the entire set of morphemes in a given language or in a given person's linguistic repertoire
a. lexicon b. allophone c. verbiage d. vocabulary
You would use a ______ to illustrate the data in this frequency distribution table because the variable is measured at the ______ level of measurement
a. frequency polygon; nominal
b. bar chart; interval
c. histogram; ratio
d. pie graph; ordinal
A company's code of ethics or code of business conduct describes how the leaders must behave, not the employees
a. True b. False Indicate whether the statement is true or false
According to research, which of the following is the best explanation for the high academic achievement of Vietnamese and Laotian refugees when they settle in the United States?
a. They have high levels of native intelligence. b. Their parents communicate values that emphasize achievement. c. They have learning styles that are compatible with instruction as it typically occurs in American classrooms. d. They typically enter the United States fluent in English, so language is not a problem for them.