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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. Skewed distribution where data has many more scores toward the lower end of the distribution
theory
illusory correlation
debriefing
positive (right) skew
2. Method by which participants are misinformed or misled about study's methods and purposes - must be told truth about this in debriefing
standard deviation
content validity
correlation
deception
3. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
confederates
alternate form reliability
criterion validity
statistical significance
4. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
false consensus effect
type two error
psychological test
z score
5. 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
reliability
face validity
split half reliability
percentile rank
6. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
debriefing
naturalistic observation
deception
validity
7. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
nominal data
scientific method
experiment
confounding of variables
8. Statement of procedures used to explain research variables in enough detail to allow for replication
operational definition
normal distribution
test-retest reliability
correlation coefficient
9. Testable and falsifiable prediction - often implied by a theory
random sample
social desirability bias
hypothesis
negative correlation
10. Change in subject's behavior caused simply by awareness of being studied
placebo effect
hypothesis
longitudinal research
Hawthorne Effect
11. Data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st - 2nd - 3rd)
ANOVA
ordinal data
random assignment
illusory correlation
12. Difference between highest and lowest scores in a distribution.
psychological test
range
median
z score
13. Arithmetic average of a distribution -
mean
false consensus effect
correlational study
ANOVA
14. Repeating of research study to determine if its finding extends to other participants and circumstances
wording effects
r
replication
scatterplot
15. Research project designed to discover degree to which two variables are related to each other
operational definition
control condition
correlational study
range
16. Statistical method for making simultaneous comparisons between two or more means
positive correlation
replication
ANOVA
statistical significance
17. 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
illusory correlation
false consensus effect
type one error
18. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
negative correlation
debriefing
double-blind procedure
percentile rank
19. The tendency for people to behave differently when they know they are being studied
confederates
nominal data
Hawthorne Effect
experiment
20. In-depth - intensive investigation of individual or small group of people which involves interviews and personal interpretations by researcher. It may also be supplemented with psychological or medical tests
validity
interval data
case study
positive correlation
21. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
type two error
null hypothesis
content validity
quasi experiment
22. Computed measure of how much scores vary around the mean score.
wording effects
ordinal data
criterion validity
standard deviation
23. Perception of relationship where none exists.
median
placebo effect
random assignment
illusory correlation
24. All cases in a group - from which samples may be drawn for a study
r
normal distribution
hindsight bias
population
25. Symbol used to represent the total number of subjects in a research study
n
ratio data
case study
controls
26. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
p value
false consensus effect
theory
nominal data
27. The probability level which forms basis for deciding if results are statistically significant (not due to chance).
p value
range
random sample
generalizability
28. Condition of experiment that exposes participants to treatment - that is - to one version of the IV
frequency histogram
experimental condition
scatterplot
type two error
29. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
frequency histogram
stratified sample
cohort effects
validity
30. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
percentile rank
random selection
control condition
controls
31. Relationship that exists when one set of data values increases while the other decreases
negative correlation
frequency histogram
positive correlation
n
32. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
reliability
r
n
type two error
33. Subset of a population in which every element in the population has an equal chance of being selected
cross-sectional research
random sample
percentile rank
Hawthorne Effect
34. A type of reliability - where different versions of same instrument are used and scores are compared
hindsight bias
random selection
alternate form reliability
negative correlation
35. Expectations by researcher that might influence results of experiment or its interpretation
range
Hawthorne Effect
deception
experimenter bias
36. Rejecting null hypothesis when it is actually true - a false positive
wording effects
type one error
correlation coefficient
mode
37. Type of line graph that shows frequency distributions
r
frequency polygon
operational definition
frequency histogram
38. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
longitudinal research
positive correlation
r
random assignment
39. Perception of a correlation between variables where none exists.
wording effects
illusory correlation
Hawthorne Effect
positive correlation
40. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
single-blind procedure
double-blind procedure
random assignment
operational definition
41. Experimental factor that is manipulated; variable whose effect is being studied.
median
independent variable
confederates
wording effects
42. Tendency to believe - after learning an outcome - that one would have foreseen it.
psychological test
hindsight bias
inter-rater reliability
standard deviation
43. If you take the same test 2x's & you get the same results it shows ______ reliability
double-blind procedure
positive correlation
hindsight bias
test-retest reliability
44. 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.
content validity
mode
extraneous variables
frequency histogram
45. Statement that describes how to measure a particular variable or define a particular term specifically in a study
stratified sample
test-retest reliability
operational definition
single-blind procedure
46. Factors in an experiment that are unchanged for both the control group and the experimental group
random selection
ordinal data
controls
case study
47. Research method in which info is obtained by asking many individuals a fixed set of questions
correlational study
normal distribution
wording effects
survey
48. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
positive (right) skew
range
single-blind procedure
inter-rater reliability
49. Set of assumptions used to explain phenomena & offered for scientific study
normal distribution
face validity
theory
social desirability bias
50. When a specific word used in a question affects how respondents answer the question or the order of the questions
inter-rater reliability
wording effects
correlational study
face validity