Exam 2: Methods in Psychology

Which statement is an example of a demand characteristic in everyday life?

Current ethical guidelines prohibit conducting psychological research involving animals.

When every member of a population has an equal chance of being included in a sample,what sampling process is being used?

If an experiment has a high degree of _____,a causal relationship can be demonstrated between all or certain variables in the experiment.

Which statement is an attribute of a good theory?

Because males are more _____ than are females on a wide range of cognitive abilities,they tend to be _____ among great scientists.

Use the following to answer questions -(Scenario II)The independent variable was:

An archaeologist discovers new evidence suggesting humans inhabited a particular area long before it was originally believed.Because these results are so novel,if the archaeologist is critically thinking,she should first:

The less frequently children watch violent television programming,the less aggressive children will tend to be.This is an example of:

Dr.Gomez is investigating a new drug designed to reduce anxiety.Patients with an anxiety disorder are treated with either the drug or a sugar pill (placebo)for some time,and Dr.Gomez records their anxiety levels at weekly appointments.If a double-blind procedure is used:

Roger wants to study whether the level of personal income predicts happiness.He operationally defines income as "the gross amount of money a person earns in a calendar year." He operationally defines happiness as "the ability of that person to stand on one leg for longer than 3 minutes." What is glaringly wrong with Roger's study?

The matched samples technique attempts to eliminate the third-variable problem by holding it constant for each participant.

Random selection allows psychologists to _____ the sample to the population.

Another term for a normal distribution is a _____ distribution.

When participants in an experiment behave in a way they think the experimenter wants them to behave,the problem of demand characteristics develops.

Matched samples effectively rule out specific third-variable correlations,but matched pairs do not.

Which description is the BEST example of naturalistic observation research methodology?

The third-variable problem means that the possibility of a third,causal variable is always present in correlational measurements.

In the number sequence 3 6 1 1 9,what is the range?

Intelligence tends to be normally distributed,and studies have shown that men and women have the same mean intelligence (IQ)score.However,intelligence scores in women tend to have a smaller range and standard deviation than those in men.Based on this information,which statement is true?