If not all members of a population have a non-zero chance of being selected for a sample, then
a. the sample may not be representative of the population.
b. there is a risk of inappropriately generalizing results beyond the sample.
c. the sample has been chosen using nonprobability sampling.
d. All of these are true.
D
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The Pearson's r is not appropriate when the data are
a. from a population. c. bivariate. b. heterogeneous. d. curvilinear.
Which of the following would NOT be a good way to share research findings to ensure that they reach an audience beyond academia?
a. A community performance b. A publicly accessible blog c. Images and videos as part of a digital story on a website d. A peer-reviewed journal
Major problems to be solved in helping individuals communicate in ways other than signing include
A) determining whether the individuals are visual or auditory learners. B) finding appropriate reinforcers. C) selecting a vocabulary and giving them an effective, efficient means of indicating elements in their vocabularies. D) speech synthesizers.
The ______ occurs in distinct interactive phases.
A. explanatory design B. convergent design C. sequential design D. embedded design