Sydney, when faced with a problem, starts with a hypothesis, deduces testable inferences, and isolates and combines variables to see which inferences are confirmed. Sydney is in Piaget's __________ stage of development

Raven's Progressive Matrices, generally considered a culture-reduced test, produces

a) scores of whites and minorities that are similar b) scores of whites that are generally lower than the scores of minorities c) scores of minorities that are generally lower than the scores of whites d) scores of minorities that are generally higher than the scores of whites

The id says "Later," the ego says "Now," and the superego says "Never" to satisfaction of the

individual's basic instincts of sex and aggression. Indicate whether the statement is true or false