Define and explain the pooled variance and describe how it helps us handle unequal sample sizes in our hypothesis test.
What will be an ideal response?
The pooled variance is the average variance across the two samples. It is weighted according to the sample sizes so unequal sample sizes can be used in a study with the independent samples t-test.
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Which of the following is NOT offered by your authors as a method to help increase a preschool child's ability to provide reliable testimony? a. Ask children to describe the event(s) in question in their own words
b. Encourage children to tell the truth and to feel free to say, "I don't know.". c. Give children time to control their emotions and remember things rationally. d. Ask questions that consider alternative explanations of the event.
Alfred Binet designed the first ________ test
a) Aptitude b) Performance-based c) Perception d) Intelligence.
Which of the following involves procedural memory?
A. Knowing how it feels to be scared B. Recalling a childhood memory C. Knowing how an automobile engine works D. Reading a sentence in a book
Trevor is visiting his dad's office on a take-your-son-to-work day. Just after they arrive, Trevor's dad's boss bursts into the room and screams at the dad about a poorly written report he submitted. All the time that he is being berated, Trevor's dad keeps smiling. Once the boss has left, Trevor turns to his dad and says, "You really must like it when your boss hollers at you.". Trevor's lack of
understanding that one's internal state may not match an external state is best explained by the concept of a. appearance as reality. b. egocentrism. c. expressive style. d. autobiographical memory.