Sarah and Michelle are talking before class. There are 350 p…

Sarah and Michelle are talking before class. There are 350 people in the lecture hall and lots of different conversations happening. Sarah suddenly says, “Hey, that person over there said their name is Gethin. That’s my dad’s name! It’s a traditional name in Wales where my family is from.” Michelle says, “I didn’t hear that. Who said their name is Gethin?” The fact that Sarah noticed a conversation that had a word that was important in her family, but Michelle did not notice that conversation is most consistent with what model of attention?

Greta is a researcher interested in whether science vocabula…

Greta is a researcher interested in whether science vocabulary supports science learning. In 2002, Greta measured the number of science words that 100 different 5-year-old children knew. Twelve years later, in 2019, those 100 children are now graduating high school and they just took a standardized science test. Greta asks them if she can access their scores on the standardized science test and all 100 individuals agreed. When Greta plots the number of science words the 100 individuals knew at age 5 against the individuals’ scores on the standardized science test at age 17, she observed the following graph: Greta’s data indicates that there is ____________ between science vocabulary at age 5 and standardized science test performance at age 17.