The age at which a baby was weaned from a breast or bottle would probably have most impact on the ________ stage

Why might a child in the scribble stage not be able to tell you what it is they are drawing?

a. They cannot cognitively understand your question. b. They draw something then decide what it is after they are finished. c. They don't have the language abilities to answer you. d. Their drawings don't look like anything at this phase.

In clinical research using a single-case design, an experimenter finds statistically significant differences. For example, an alcohol-dependent patient who received the intervention drank 0.5 fewer drinks per day than at baseline

This example would argue a) against statistical analyses b) for statistical analyses. c) against replication studies. d) for generalization of results.