A schoolteacher seeks help from the school psychologist because a child in her class is particularly unruly. The psychologist visits the class one day to observe the child. Knowing that she is being watched, the child is on her best behaviour. Which quality illustrated in this scenario makes it difficult for psychologists to study human behaviour?

A) The measure is reliable but lacks validity.
B) The measure is valid but lacks reliability.
C) The measure is reliable and valid.
D) The measure is neither reliable nor valid.


D) The measure is neither reliable nor valid.

Psychology

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Which type of scale does not permit mathematical manipulations?

a. nominal b. ordinal c. ratio d. interval

Psychology

A repeated focus on negative thoughts, problems, symptoms, and possible consequences of these problems is known as ________

Fill in the blank(s) with correct word

Psychology

Cognitive-behavioral therapy attempts to change thoughts and beliefs.

Answer the following statement true (T) or false (F)

Psychology

Vickie says, “The worst thing about big cities is being unable to do whatever you want to do; you can’t go wherever you want, or pick and choose who you will talk to.” Her reaction is best explained by a(n) ___ theory of crowding.

a.  overload   b.  staffing   c.  control   d.  pathological

Psychology