Dr. Yodela wants to find out whether there is a significant difference in the mean scores of two groups on his new intelligence test. Which statistic should Dr. Yodela use?

You are reading for a part in a play. The description of the part describes the character as exhibiting a pervasive pattern of intense and unstable interpersonal relationships, an unstable self-image, and repeated suicidal gestures. You conclude that this

character would meet the criteria for __________ personality disorder. a. schizoid b. dependent c. borderline d. antisocial

When partial reinforcement occurs, a response that is reinforced after some, but not all, correct responses ____________

a) will be more resistant to extinction than a response that receives continuous reinforcement (a reinforcer for each and every correct response) b) will be less resistant to extinction than a response that receives continuous reinforcement (a reinforcer for each and every correct response) c) will be more variable in its resistance to extinction than a response that receives continuous reinforcement (a reinforcer for each and every correct response) d) will be totally resistant to extinction unlike a response that receives continuous reinforcement (a reinforcer for each and every correct response)