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Test your basic knowledge |
Research Methods
Start Test
Study First
Subject
:
business-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Research method in which info is obtained by asking many individuals a fixed set of questions
standard deviation
survey
nominal data
ANOVA
2. Variable not relevant to what you are studying that has unplanned effect on DV. It may influence results - but all conditions are effected so it does not create bias.
positive correlation
percentile rank
extraneous variables
survey
3. Middle score in a distribution; half scores are above it and half are below it.
standard deviation
negative (left) skew
median
inter-rater reliability
4. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
statistical significance
scatterplot
range
inter-rater reliability
5. Computed measure of how much scores vary around the mean score.
illusory correlation
standard deviation
mode
longitudinal research
6. Arithmetic average of a distribution -
negative correlation
random assignment
mean
confederates
7. Statement of procedures used to explain research variables in enough detail to allow for replication
scientific method
operational definition
median
stratified sample
8. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
mean
Hawthorne Effect
double-blind procedure
psychological test
9. Experimental factor that is manipulated; variable whose effect is being studied.
empiricism
independent variable
random sample
z score
10. Statistical method for making simultaneous comparisons between two or more means
null hypothesis
ANOVA
quasi-experiment
negative correlation
11. Procedure that ensures every person in a population has an equal chance of being chosen to participate
random selection
dependent variable
range
quasi experiment
12. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
hindsight bias
split half reliability
deception
r
13. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
criterion validity
independent variable
inter-rater reliability
case study
14. Relationship that exists when one set of data values increases while the other decreases
negative correlation
hindsight bias
positive correlation
illusory correlation
15. A research method that looks like an experiment BUT subjects are not randomly assigned to control and experimental groups (no cause and effect can be drawn)
quasi experiment
statistical significance
hindsight bias
mean
16. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
stratified sample
negative correlation
p value
survey
17. Degree to which test is representative of total domain its supposed to cover.
nominal data
p value
content validity
operational definition
18. Variable that may change in response to manipulations of the IV (what is measured)
dependent variable
positive (right) skew
wording effects
ordinal data
19. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
percentile rank
meta analysis
case study
false consensus effect
20. Research project designed to discover degree to which two variables are related to each other
population
quasi-experiment
correlational study
frequency histogram
21. Measures whether a test looks like it tests what it is supposed to test as determined by a quick look or evaluation by a non expert
face validity
survey
sampling bias
reliability
22. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
scientific method
wording effects
population
double-blind procedure
23. Results of experiment are SIGNIFICANT - they are not likely caused by chance
longitudinal research
theory
dependent variable
p<.05
24. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
cohort effects
theory
generalizability
experiment
25. Bar graph that shows frequency distributions
positive correlation
naturalistic observation
frequency histogram
debriefing
26. Extent to which scores suggest that a test is actually measuring an ABSTRACT theoretical idea (such as anxiety - personality - introversion - etc.).
single-blind procedure
construct validity
Hawthorne Effect
test-retest reliability
27. Factors in an experiment that are unchanged for both the control group and the experimental group
r
confederates
population
controls
28. Effects of being born and raised in a particular time or situation where all other members of your group has similar experiences makes your group unique from others
z score
naturalistic observation
cohort effects
negative (left) skew
29. Sample that fairly represents a population because each member has an equal chance of inclusion.
random sample
construct validity
replication
percentile rank
30. Skewed distribution with many more scores on the higher end of the distribution
validity
negative (left) skew
independent variable
quasi experiment
31. Tendency to overestimate extent to which others share our beliefs and behaviors
extraneous variables
false consensus effect
operational definition
n
32. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
scatterplot
interval data
deception
illusory correlation
33. We overestimate our accuracy and our changes of success and ability to predict and explain
positive correlation
extraneous variables
overconfidence effect
mode
34. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
random assignment
statistical significance
experiment
cross-sectional research
35. A type of reliability - where different versions of same instrument are used and scores are compared
alternate form reliability
wording effects
correlation coefficient
positive correlation
36. People of different ages are compared to one another at a single point in time
illusory correlation
random assignment
independent variable
cross-sectional research
37. Subset of a population in which every element in the population has an equal chance of being selected
percentile rank
overconfidence effect
random sample
survey
38. Researchers takes subjects & conditions as they naturally occur - with little if any control over what happens. no random assignment so no cause and effect can be determined
face validity
psychological test
population
quasi-experiment
39. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
random assignment
wording effects
negative correlation
face validity
40. Graphed cluster of dots - each of which represents the values of two variables. The slope of the points suggests the direction of the relationship between the two variables.
alternate form reliability
scatterplot
independent variable
confederates
41. Percentage of scores falling at or below a specific score.
social desirability bias
percentile rank
face validity
illusory correlation
42. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
naturalistic observation
experimenter bias
theory
confederates
43. Perception of relationship where none exists.
meta analysis
psychological test
illusory correlation
debriefing
44. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
Hawthorne Effect
cohort effects
meta analysis
double-blind procedure
45. Perception of a correlation between variables where none exists.
random sample
illusory correlation
theory
dependent variable
46. Occur when the questions asked on a sample survey are confusing or leading
z score
experimenter bias
stratified sample
wording effects
47. The tendency for people to behave differently when they know they are being studied
p<.05
meta analysis
Hawthorne Effect
illusory correlation
48. Skewed distribution where data has many more scores toward the lower end of the distribution
frequency histogram
positive (right) skew
debriefing
experimenter bias
49. Difference between highest and lowest scores in a distribution.
range
random assignment
type one error
Hawthorne Effect
50. Symbol used to represent the total number of subjects in a research study
quasi experiment
ANOVA
n
face validity