Joey is participating in an experiment on memory. He is asked to read a sentence and then hold the last word in his memory while he reads the next sentence. The experimenter measures the maximum number of sentences Joey can read while doing this memory task. Joey is doing the task.

An infant would least prefer to look at

the family dog sleeping on the floor. a mobile rotating above the crib. her mother's face as she talks to her. her flexing toes.

According to the textbook, why might different psychologists study the same behavior in

different ways? a. More contemporary approaches are considered superior to older methods. b. They may simply be interested in different levels of explanation. c. Biological methods are considered generally more fundamental than all other methods. d. Biological methods are considered generally superior to most other methods. e. This is an untrue assumption; psychologists wouldn't be able to agree on anything if they studied the same behavior in different ways.