When are interval scales used?
What will be an ideal response?
Interval scales are used when the researcher wants to know that the difference between any two values on the scale is the same across all values of the scale. Typically, this involves numerical responses.
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A psychologist visiting a classroom concludes that one of the children is depressed because the child is quiet and unresponsive. Actually, the child has the flu. The psychologist has made what error?
a. failure to distinguish correlation from causation b. failure to distinguish inference from observation c. failure to use experimental controls d. failure to obtain a representative sample
Define object agnosia, prosopagnosia, color agnosia, and movement agnosia. What causes these syndromes?
What will be an ideal response?
There is typically a fixed period of time for which grief should last
Indicate whether the statement is true or false
For a set of scores on an exam, the standard deviation is calculated by
A) adding up all scores and dividing this sum by the number of scores B) taking the square root of the variance of the scores C) multiplying the mean of the scores with the variance of the scores D) dividing the variance of the scores by 2