Suppose twin teenagers are vying for their mother's attention. The mother is trying to pay attention to one of her daughters, though both girls are talking (one about her boyfriend, one about a school project). According to the operating characteristics of Treisman's attenuator, it is most likely the attenuator is analyzing the incoming messages in terms of

Working memory (WM) interacts with long-term memory (LTM) through

a) Activation of LTM via the central executive b) The linking of WM components and LTM via the episodic buffer c) Activation of the sensory buffer via LTM d) Both a and b

An ABAB design would be appropriate if

a. a researcher is interested in only one dependent variable. b. treatment effects are only temporary. c. a researcher wants to set up a panel study. d. the possibility of cohort effects is high.