Explain the concept of object solidity and object continuity. At what point are children able to grasp these concepts?
What will be an ideal response?
Object solidity is the understanding that one object cannot pass through the space occupied by another object. Object continuity is the understanding that objects move continuously through space and time. It appears that young infants are capable of grasping both of these concepts.
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Professor Smythe wants to describe the differences in cognitive development in students attending a charter school compared to students attending a traditional school. She plans to describe what changes are occurring, and speculate about how the changes contribute to interpersonal difficulties. This is an example of what type of research?
A. quantitative B. survey C. naturalistic observation D. qualitative
Worry, emotionality, and lack of self-confidence are the three components of
a. test anxiety. b. expectancy effects. c. human factors. d. reactivity.
You want a witness to testify that he saw a stop sign at the scene of an accident when, in fact, no such sign exists. Which of the following questions would be most effective?
A. "Did you see a stop sign at the intersection?" B. "Are you sure you didn't see a stop sign?" C. "How fast was the white car going when it went through the stop sign?" D. "Are there many stop signs in that neighborhood?"
Serious problems related to MDMA use include
a. heart arrhythmias. b. fatal heat exhaustion. c. severe liver damage. d. all of these.