The Present Universe Seems to Require a "Cosmological Constant" Equivalent

question 48

Multiple Choice

The present universe seems to require a "cosmological constant" equivalent to that introduced into general relativity by Einstein when his theory would not explain the expected static universe.What is the effect on the evolution of the present universe of the "new" cosmological constant?

• A) It produces a pressure to oppose the mutual gravitational pull of all the matter in the universe,accelerating its expansion.
• B) It is a term that accounts for the negative gravity generated by antimatter in the universe,the presence of which will produce an accelerated expansion.
• C) It just balances gravity to allow the universe to remain static,as Einstein predicted.
• D) It produces an extra attractive force in addition to gravity,slowing down the expansion of the universe.

---

Definitions:

Standardized Test

A test that is administered and scored in a consistent manner to ensure reliability and validity of the measures it intends to assess.

Ambiguous Stimuli

Ambiguous stimuli are objects, words, or images that can be interpreted in multiple ways and often used in psychological tests to assess perception and personality.

Psychodynamic Theorists

Psychologists who study the psychological forces underlying human behavior, feelings, and emotions, and how they may relate to early experience.

Objective Tests

Standardized tests designed to measure an individual's performance in a specific area, such as intelligence or personality, in a way that is not subject to examiner bias.