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- 1. Multiple Choice
A correlation coefficient of 0.8 is a _______________ and suggests that as one variable ____________, the other variable ______________.strong positive | increases | increasesweak positive | increases | increasesstrong positive | increases | decreasesweak positive | increases | decreases - 2. Multiple ChoiceWhich answer lists two measures of the spread of data around the mean?mode and medianstandard deviation and rangeinferential statistics and descriptive statisticsscattergrams and boxplots
- 3. Multiple ChoiceWhich statement is correct?A stratified sample is more likely to be representative of the population than a convenience sample.A sample is always representative of a population.A convenience sample is more likely to be representative of the population than a stratified sample.A small random sample is more likely to be representative of the population than a large stratified sample.
- 4. Multiple ChoiceThe population in a research study is...the whole group of research interest.the smaller group that has been chosen from the group of research interest.exactly the same as the sample.always smaller than the sample.
- 5. Multiple ChoiceWhich answer provides examples of participant variables?independent variables, dependent variablestime of day, noise level, temperature, locationprior experience, motivation, intelligence, educational backgroundextraneous variables, confounding variables
- 6. Multiple ChoiceIn a study of the Müller-Lyer illusion, it is found that Africans who have experienced non-angular housing are less easily tricked by the illusion than people in Western cities. Which answer is true?Cultural background is the dependent variable in this experiment.The Müller-Lyer illusion is the independent variable in this experiment.The degree to which the illusion is experienced is the independent variable in this experiment.Cultural background is the independent variable in this experiment.
- 7. Multiple Choice
Method of intense study of just one individual:
Naturalistic Observation
Experimental Study
Case Study
Survey
- 8. Multiple Choice
In an experiment, the _________________ variable is tested by the researcher to observe its effect(s) on the _________________ variable.
A.independent; dependent
B.first; second
C.dependent; independent
D.research; results
- 9. Multiple Choice
A type of observation conducted in the participants' normal environment without interference from the researchers.
Controlled observation
Naturalistic observation
- 10. Multiple Choice
Measure of central tendency calculated by adding up all scores and dividing by the number of scores in the data set.
Median
Mode
Mean
- 11. Multiple ChoiceThis research method is a descriptive technique in which one individual or group is studied in depth in the hope of revealing universal principlesCase StudySurveyObservationalCorrelationalExperiments
- 12. Multiple ChoiceThis is a method of research where an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable).ExperimentsCase StudySurveyObservationalCorrelational
- 13. Multiple ChoiceThe advantage of this descriptive method of research is that it creates an immense amount of data to be gathered quickly and inexpensively.SurveyObservationalCorrelationalExperimentsCase Study
- 14. Multiple Choice
Identify the type of relationship between weight and price.
The price is never 0 on the graph
As weight increases, price increases
There is a negative linear correlation between weight and price
The price gets high at the end of the graph
- 15. Multiple Choice
The mode is:
The average of all the values
The middle number
The most frequently occurring number
The first number you see
- 16. Multiple Choice
In experimental studies which group receives nothing? In other words, they do not get the variable that is under study.
Experimental group
Control group
- 17. Multiple Choice
What kind of relationship?
Positive Correlation
Negative Correlation
No Relationship
- 18. Multiple Choice
What kind of relationship?
Positive Correlation
Negative Correlation
No Relationship
- 19. Multiple Choice
What kind of relationship?
Positive Correlation
Negative Correlation
No Relationship
- 20. Multiple Choice
In an experiment studying the impact of meditation on stress, the control group should
A.not meditate at all.
B.meditate as often as the experimental group.
C.be able to choose whether to meditate or not.
D.meditate more often than the experimental group.
- 21. Multiple Choice
Psychology researchers attempt to minimise or eliminate the impact of uncontrolled variables in experiments because the presence of these variables
A.can affect the measurement of the independent variable.
B.means that only the uncontrolled variables are measured.
C.do not enable the researcher to control the dependent variable.
D.make it difficult to isolate and evaluate the impact of the independant variable.
- 22. Multiple Choice
The main purpose of ethical guidelines for research in Psychology is to
A.minimise the problems that participants cause for researchers.
B.guarantee that the experimentation runs without problems.
C.ensure that any results published will not be challenged.
D.protect the welfare and rights of the participants.
- 23. Multiple Choice
The experimenter effect might occur when participants in an experiment
A.undergo the same procedures as an experimental group, but do not experience effects of the independent variable(s).
B.are all tired from participating from experiments throughout the day.
C.alter their behaviour because of conscious or unconscious cues given to them by the researcher.
D.consciously or unconsciously affect the behaviour of the experimenters in the experiment.
- 24. Multiple Choice
In a study, injections of saline solution (which contains no chemicals) were shown to be quite effective for relieving pain. This is an example of
A.an experimenter effect.
B.a placebo effect.
C.the experimental effect.
D.an order effect.
- 25. Multiple Choice
Which kind of study can establish a cause-effect relationship between variables, assuming that the research is appropriate and well conceived?
survey
case study
correlational study
experiment
- Answer choicesTagsAnswer choicesTags