Mark drew pictures on the wall with crayons, which made his father furious. to teach him a lesson, his father gave him a severe beating, which left several bruises all over the boy’s body. a neighbor heard this and said, ‘quit abusing that boy,’ to which the father justified his behaviors by responding, ‘i am not abusing him, i am teaching him discipline because he will be spoiled if we let his behaviors go.’ which defense mechanism is the father using?

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design