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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. Computed measure of how much scores vary around the mean score.
positive correlation
standard deviation
mean
n
2. Bar graph that shows frequency distributions
interval data
control condition
frequency histogram
Hawthorne Effect
3. 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)
meta analysis
criterion validity
quasi experiment
interval data
4. Arithmetic average of a distribution -
mean
theory
mode
dependent variable
5. Difference between highest and lowest scores in a distribution.
negative (left) skew
reliability
percentile rank
range
6. 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
false consensus effect
single-blind procedure
cohort effects
hindsight bias
7. Percentage of scores falling at or below a specific score.
percentile rank
debriefing
p<.05
type one error
8. We overestimate our accuracy and our changes of success and ability to predict and explain
random sample
overconfidence effect
sampling bias
negative correlation
9. The tendency for people to behave differently when they know they are being studied
type one error
ratio data
case study
Hawthorne Effect
10. 'Fake subjects' that look & behave like real subjects in study.
confounding of variables
debriefing
criterion validity
confederates
11. Sample that fairly represents a population because each member has an equal chance of inclusion.
random sample
negative correlation
experiment
null hypothesis
12. Skewed distribution with many more scores on the higher end of the distribution
extraneous variables
split half reliability
meta analysis
negative (left) skew
13. Most frequently occurring score(s) in a distribution.
double-blind procedure
mode
confederates
social desirability bias
14. Repeating of research study to determine if its finding extends to other participants and circumstances
z score
random assignment
naturalistic observation
replication
15. People of different ages are compared to one another at a single point in time
social desirability bias
cross-sectional research
correlation coefficient
normal distribution
16. Extent to which scores suggest that a test is actually measuring an ABSTRACT theoretical idea (such as anxiety - personality - introversion - etc.).
wording effects
construct validity
normal distribution
naturalistic observation
17. Statistical method for making simultaneous comparisons between two or more means
experimenter bias
type one error
illusory correlation
ANOVA
18. Expectations by researcher that might influence results of experiment or its interpretation
statistical significance
construct validity
experimenter bias
r
19. Tendency to overestimate extent to which others share our beliefs and behaviors
false consensus effect
wording effects
survey
illusory correlation
20. Research method in which info is obtained by asking many individuals a fixed set of questions
range
controls
single-blind procedure
survey
21. Factors in an experiment that are unchanged for both the control group and the experimental group
criterion validity
controls
deception
frequency histogram
22. Data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st - 2nd - 3rd)
illusory correlation
range
sampling bias
ordinal data
23. Symbol used to represent the total number of subjects in a research study
population
negative (left) skew
n
control condition
24. Bell-shaped curve that results when values of a trait in a population are plotted against their frequency
deception
correlation coefficient
normal distribution
operational definition
25. Data with an absolute 0. Ratios are meaningful. (Length - Width - Weight - Distance)
experimenter bias
test-retest reliability
ratio data
z score
26. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
negative correlation
r
double-blind procedure
experimenter bias
27. Relationship between variables in which as one variable increases - the other also increases - OR as one decreases so does the other. Both variables move in the same direction.
positive correlation
meta analysis
nominal data
null hypothesis
28. If you take the same test 2x's & you get the same results it shows ______ reliability
random assignment
ratio data
test-retest reliability
negative (left) skew
29. All cases in a group - from which samples may be drawn for a study
population
negative correlation
debriefing
confederates
30. Correlation where as one variable increases - the other also increases - or as one decreases so does the other. Both variables move in same direction.
criterion validity
dependent variable
positive correlation
ratio data
31. Variable that may change in response to manipulations of the IV (what is measured)
type two error
experiment
dependent variable
case study
32. Association between increases in one variable and decreases in another
n
placebo effect
negative correlation
debriefing
33. Rejecting null hypothesis when it is actually true - a false positive
type one error
negative correlation
random sample
confederates
34. Set of assumptions used to explain phenomena & offered for scientific study
operational definition
normal distribution
validity
theory
35. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
random sample
deception
criterion validity
inter-rater reliability
36. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
psychological test
correlation
stratified sample
dependent variable
37. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
random assignment
percentile rank
standard deviation
experiment
38. Variables other than IV that participants in - one group have that makes them different - from the other group. Two variables linked together in a way that makes it difficult to sort out their specific effects.
mean
statistical significance
confounding of variables
r
39. When a specific word used in a question affects how respondents answer the question or the order of the questions
negative correlation
wording effects
hypothesis
positive correlation
40. Subset of a population in which every element in the population has an equal chance of being selected
social desirability bias
random sample
negative correlation
survey
41. Procedure for statistically combining results of many different research studies
control condition
scatterplot
quasi-experiment
meta analysis
42. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
scientific method
single-blind procedure
random assignment
experimenter bias
43. Perception of a correlation between variables where none exists.
illusory correlation
psychological test
social desirability bias
face validity
44. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
experimental condition
criterion validity
single-blind procedure
independent variable
45. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
generalizability
correlational study
case study
alternate form reliability
46. Degree to which test is representative of total domain its supposed to cover.
mean
content validity
ANOVA
scientific method
47. Statement of procedures used to explain research variables in enough detail to allow for replication
operational definition
ordinal data
naturalistic observation
illusory correlation
48. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
stratified sample
nominal data
survey
deception
49. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
range
debriefing
random assignment
positive (right) skew
50. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
naturalistic observation
independent variable
cross-sectional research
random assignment