Impaired ability to comprehend or produce speech is called ______

After defining the variables involved in a study, scientists have to identify individuals to study. The population is the group of individuals to whom we hope our conclusions will apply. Researchers generally hope that their conclusions will apply to a large population, such as all 20-year-olds in the country. Because it is not practical to examine everyone in the population, researchers study a

sample of people and assume that the results for the sample apply to the whole population. Briefly define the following types of samples: convenience sample, representative sample, random sample, and cross-cultural sample. What will be an ideal response?

The flow of information within a neuron is from:

a. terminal buttons to axon to soma to dendrites b. dendrites to soma to axon to terminal buttons c. dendrites to axon to terminal buttons to soma d. axon to soma to dendrites to terminal buttons