Experiment
Other Research
Ethics
Statistics
Misc
100
True/False: An experiment is the only research method that can make a cause & effect conclusion
True
100
A correlation of –0.76 between stress levels and life satisfaction means the relationship is both strong and in this direction.
Negative
100
Before participants agree to join a study, researchers must give them clear details about what will happen.
Informed consent
100
For statistical significance, p must be less than or equal to...
0.05
100
The complete set of cases from which samples may be drawn is called a(n)
population
200
This procedure minimizes differences between the control & experimental group to control for confounding variables
random assignment
200
Combining the results of multiple studies using statistics in order to estimate the overall effects of a variable is called:
meta-analysis
200
A researcher who deceives participants about the goals of the research needs to fully inform them of the true nature of the study later, according to which ethical principle of human experimentation?
debriefing
200
Calculate the mean.... 4, 6, 5, 5, 2, 8
5
200
If I want to generalize the results of my study to a larger population, then I must use a _______ sample
representative
300
Hypothesis: If you eat lima beans, then you will turn green. What is the operational definition of the dependent variable?
Shade of green
300
Margaret is beginning to plan a research project for her psychology class. She wants to examine whether there is a difference between boys and girls in terms of the frequency with which they throw away their trash in the school cafeteria after they have finished eating lunch. Which of the following methodologies would most accurately measure the behavior of interest in Margaret’s study?
Naturalistic Observation
300
Researchers promise not to reveal a participant’s personal information, a practice known as this.
Confidentiality
300
In a normal distribution, ___% of the population scores within one standard deviation of the mean
68
300
When someone exaggerates their ability to have foreseen the outcome of past events (“I-knew-it-all-along”).
Hindsight bias
400
Both the researchers and the participants in a memory study are ignorant about which participants have actually received a potentially memory-enhancing drug and which have received a placebo. This investigation involves the use of
double-blind procedure
400
A study finds a correlation of +0.92 between time spent studying and exam scores. While strong, this result cannot rule out the influence of test-taking skills, a problem known as this.
third-variable problem
400
Any study with human participants must be reviewed and approved by this committee before starting.
IRB Approval
400
If the mean is 100, standard deviation is 15, what is the percentile rank of a person who scores 100?
50th
400
The relief of pain following the ingestion of an inert (lacking any effectiveness) substance that is presumed to have medicinal benefits illustrates:
placebo effect
500
In an experimental study of the effects of anxiety on self-esteem, self-esteem would be the ________ variable.
dependent
500
To understand the behavior of stroke survivor, a researcher thoroughly investigates their current status and their mental and physical medical history. Which research method has the psychologist used?
Case Study
500
hen no identifying information is collected, researchers guarantee this, which is even stricter than a different ethical guideline.
Anonymity
500
positive skew
500
Ben is asked to participate in a political poll. He is a staunch conservative living in a very liberal area. When asked who he is voting for he states he supports the democratic candidate but on election day when he utilizes the secret ballot he votes for the Republican. Which of the following best explains this behavior?
Social-Desirability Bias