In a math study with seventh graders, Group A is using computers and Group B is completing paper-and-pencil tasks. When students in Group B find out that Group A students are using the school's new computers, they become resentful and adopt a negative attitude toward the researcher and the study. What threat to internal validity has occurred?
a) Statistical regression
b) Selection
c) Subject effects
d) Experimenter effects
C
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Kellianne wants to assess cognitive problem solving skills. Which dramatic play activity observation would provide the most feedback?
a. watching the children pretend to drive cars on the playground b. talking individually to each child about their favorite TV show c. playing the game Statues, where children freeze when the music stops d. putting out a basket of pinecones in the block center and challenging them to include at least two in their block structures
It has been demonstrated that breast-feeding is superior to bottle-feeding
Indicate whether the statement is true or false
As she runs a race, Aggie's heart starts beating faster to help her body keep up with its increasing need for oxygen. Which part of the brain can Aggie largely thank for this change?
a. forebrain b. midbrain c. hindbrain d. hippocampus
Answer the following statement(s) true (T) or false (F)
. Applied research is used to address questions that can lead to immediate solutions to practical problems