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A company wants to assess the effects of a new training program in increasing job knowledge.  All of its employees are assigned to either one of three groups.  One group receives the training from a teacher, one group receives training on computer diskette, and one group receives no training at all.  Afterwards, the employees take a job knowledge test.  The appropriate test to analyze this data would be the

You evaluate a patient in a psychiatric hospital who has a history of mood disturbances and psychotic symptoms.  Which of the following pieces of information would most help you make the differential diagnosis between Schizoaffective Disorder and Mood Disorder with Psychotic Features?

You pour water from a short, fat glass into a tall, thin glass.  You ask a child if there is more water in the thin glass than there was in the fat glass.  The child says, “No.  The amount of the water has not changed.”  The child has attained at least the _____________ stage of cognitive development.

Research on group performance has examined the effects of the heterogeneity of group members in terms of personality, gender, experience, and so on.  Overall, these studies have found that heterogeneity is:

A client’s insurance company calls and asks you for some information about the client’s diagnosis and treatment.  You should

A researcher administers a pretest to two randomly assigned treatment groups, gives one group an intervention, and then administers a posttest to both groups.  Which of the following can threaten internal validity in this study?

According to Maslow, there are five levels of human needs that are represented in a hierarchical order.  The stage that follows physiological needs is:

A person making a “fundamental attribution error” would:

The “pseudopatients” who were admitted to mental hospitals in Rosenbaum’s (1973) study were:

Meta-cognition has been defined as “knowing about knowing.”  A more precise definition might be: