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A preschool child states, “I catched three gooses at the farm.” This is an example of underextension.

Which researcher developed the nativist theory and the concept of universal grammar to explain how children learn their language skills?

Madeline is working to teach her 4-year-old daughter, Eliza, how to count. She places 10 buttons in one row with very little space between the buttons, and 8 buttons in another row with more space between the buttons; therefore, the second row with 8 buttons looks longer than the first row with 10 buttons. Then Madeline asks her daughter which row has more buttons. Eliza chooses the second row (longer row with more space between the buttons), even though she counted 10 buttons in the first row and 8 buttons in the second. According to Piaget, this is an example of ______________________.

Baby Allison is in her high chair while her father prepares her dinner. Baby Allison says “ea” and “pa,” to which her father responds “Yes, we will eat pasta for dinner!”. This is an example of

Jenny is at the zoo with her family. She points to each four-legged animal and says “doggie.” This illustrates:

Rebecca wants her baby to stop playing and come across the room to her. Rebecca says “Come to Mommy!”, while exaggerating the vowel and consonant sounds and using a high-pitched voice. According to the research on language development, this is an example of

If a baby is making speech-like but meaningless sounds, this is a universal phenomenon called

Maya is studying for an exam in a coffee shop. She is able to concentrate on reading her textbook and ignore the conversations, clattering cups, and music around her. Maya is successfully employing which component of attention?

In 4-year-old Amanda’s preschool class, the group discussion involved airplanes. After that, Amanda considered herself an expert on airplanes and believed she knew everything there was to know about airplanes, even though she was unable to provide a reasonable explanation about why she thought she knew so much about airplanes. According to Piaget, in this example, Amanda is demonstrating

Marni thinks about how the world could be if everyone took more personal responsibility for the environment. Marni is likely to be in which of Piaget’s stages of cognitive development?