A Researcher Conducts a Study Measuring Differences in Brain Activity

question 52

Multiple Choice

A researcher conducts a study measuring differences in brain activity among rats placed on either a continuous or intermittent reward schedule.Assuming that the population variance in unknown,what type of t test is appropriate for this study?

• A)one-sample t test
• B)two-independent sample t test
• C)not enough information

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Definitions:

Activation-Synthesis Hypothesis

Premise that states that dreams are created by the higher centers of the cortex to explain the activation by the brain stem of cortical cells during REM sleep periods.

Sleep Deprivation

The condition of not having enough sleep, which can lead to a range of psychological and physical problems, including impaired judgment, mood swings, and reduced cognitive performance.

Memory

The cognitive process that involves encoding, storing, and retrieving information.

Stimulants

Substances that increase nervous system activity, resulting in enhanced alertness, attention, and energy, which can include drugs like caffeine, nicotine, and amphetamines.