The optimal time for implantation is _____ days after conception

Expertise has a positive impact on information processing and problem solving.

a. true b. false

To determine whether a new drug decreases self-injurious behavior, the researcher measures self-injurious behavior while giving a subject the drug on even numbered days and giving a placebo on odd numbered days for two weeks. This is an example of a(n) ____________________ design

a. multiple baseline across settings b. changing criterion c. multiple baseline across behaviors d. alternating treatments