Random selection refers to how subjects are assigned to experimental or control groups
Indicate whether the statement is true or false
F
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A schizophrenic patient whose main symptoms are lack of emotional expression, lack of social interaction, and lack of speech is suffering from ____
a. positive symptoms b. negative symptoms c. thought disorders d. delusions
Girls tend to have more positive self-concepts than boys regarding reading, math, and physical appearance.
Answer the following statement true (T) or false (F)
The fact that homosexuality was once on the American Psychiatric Association list of psychological disorders and now is not on the list specifically illustrates the variability of the ____ criterion for distinguishing between normal and abnormal behavior.?
a. ?“personal distress” b. ?“not typical” c. ?“violation of social norms” d. ?“level of impairment”
A dependent variable is operationally defined according to _____
a. the way it is manipulated c. according to a narrative b. the way it is measured d. either a or b