Exam 2: Methods in Psychology

The ethical principle of _____ means that research participants are given enough information about a study to make a reasonable decision about whether or not to participate.

A measuring instrument is said to be reliable when it is able to:

Which authority is charged with ensuring that the research claims made by scientists respect the truth?

Vanessa and Jenny take a reaction-time test.Vanessa's reaction time is 0.23 seconds,and Jenny's reaction time is 0.25 seconds.Suppose that the stopwatch the psychologist used only measured to a tenth of a second.The psychologist concludes that Vanessa and Jenny have equal reaction times of 0.2 seconds.As a measure of reaction time,the stopwatch lacks:

Correlation is a method for determining causal relationships between variables.

Mike wants to know how many licks it takes to get to the centre of his lollipop.He tells his friends that "one full gyration of the tongue around the outer surface of the lollipop" is what constitutes a "lick." In an informal way,Mike is offering a(n):

A psychologist discovers an important research finding in her laboratory that is seemingly inconsistent with what other researchers have found.Her new results have profound implications with regard to our understanding of human behaviour.If the psychologist is critically thinking,she should first:

Professor Kim creates a frequency distribution of exam scores from her class of 300 students.Possible scores on the exam ranged from zero to 100.What should be displayed on the horizontal axis?

Carolina wants to determine if preschoolers are more or less likely to initiate play with same- or opposite-gender peers.She is trying to devise a plan in which the children will not know that they are being observed.Carolina seeks a(n):

One feature of a normal distribution is that the mean is usually greater than the median.

A positive correlation between two variables is stronger than a negative correlation between two variables.

The theory that God created the universe is:

Which statement CANNOT be concluded from the systematic observation that children who watch televised aggression act violently?

Which statement describes a negative correlation?

Which statement regarding deception in psychological research is TRUE?

One feature of a negatively skewed distribution is that the mean is less than the median.

Once participants give their informed consent,they are contractually bound to finish their participation;they cannot quit any time.

Use the following to answer questions -(Scenario I)Which pair is MOST likely to represent variables A and B?

Octavia's research yielded results that are consistent with a hypothesis derived from a developmental account of decision making.Which conclusion is CORRECT regarding the theory?

A psychiatrist is interested in comparing two different drugs to treat depression in a sample of patients.Because the drugs may differ in terms of both their effectiveness and side effects,patients are randomly assigned to the two drug conditions.Randomly assigning patients to groups satisfies which feature of ethical research?