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Psychology Psychological Testing Difficulty: Medium

"Psychology is the science of mental life, both its phenomena and of their conditions . . . . . . . . the phenomena are such things as we call feelings, desires, cognitions, reasoning, decisions and the like", was said by Who among the following made experiments on Weber's Law and Sensory discrimination? Consider the following statements about anxiety: 1. The feeling of anxiety involves inner conflicts which arise from dealing with multiple possibilities 2. Anxiety is healthy if one moves through it to reach a higher level of development 3. Anxiety is unhealthy if one is 'shut in' by it 4. Freud distinguished between objective anxiety and neurotic anxiety Which of the above statements is correct? A research that seeks to explain a class of situations or events rather than a single one is known as Pavlov's experiments on classical conditioning of the dog brought to light several principles useful in habit formation. These include: