SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Symbol used to represent the total number of subjects in a research study
inter-rater reliability
n
negative correlation
frequency histogram
2. Relationship that exists when one set of data values increases while the other decreases
split half reliability
negative correlation
normal distribution
single-blind procedure
3. Measure of the extent to which two factors vary together which can be positive or negative or non
interval data
percentile rank
correlation
inter-rater reliability
4. Data with an absolute 0. Ratios are meaningful. (Length - Width - Weight - Distance)
ratio data
random sample
correlational study
split half reliability
5. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
interval data
construct validity
wording effects
debriefing
6. Repeating of research study to determine if its finding extends to other participants and circumstances
illusory correlation
replication
placebo effect
random assignment
7. Extent to which a test measures or predicts what it is supposed to - test accuracy
inter-rater reliability
negative correlation
generalizability
validity
8. Perception of a correlation between variables where none exists.
correlation
face validity
illusory correlation
correlational study
9. Statement of procedures used to explain research variables in enough detail to allow for replication
meta analysis
controls
nominal data
operational definition
10. Difference between highest and lowest scores in a distribution.
range
hindsight bias
illusory correlation
hypothesis
11. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
correlation coefficient
random assignment
scatterplot
stratified sample
12. Testable and falsifiable prediction - often implied by a theory
meta analysis
validity
frequency polygon
hypothesis
13. 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)
nominal data
overconfidence effect
quasi experiment
cohort effects
14. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
interval data
Hawthorne Effect
scientific method
stratified sample
15. 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
quasi experiment
frequency polygon
split half reliability
16. When a specific word used in a question affects how respondents answer the question or the order of the questions
wording effects
face validity
mode
controls
17. Condition of experiment that exposes participants to treatment - that is - to one version of the IV
validity
frequency polygon
random selection
experimental condition
18. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
positive correlation
placebo effect
nominal data
independent variable
19. Experimental factor that is manipulated; variable whose effect is being studied.
random selection
empiricism
theory
independent variable
20. Arithmetic average of a distribution -
placebo effect
mean
standard deviation
random assignment
21. Set of assumptions used to explain phenomena & offered for scientific study
independent variable
statistical significance
inter-rater reliability
theory
22. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
type two error
meta analysis
operational definition
social desirability bias
23. Rejecting null hypothesis when it is actually true - a false positive
type one error
split half reliability
test-retest reliability
random sample
24. The probability level which forms basis for deciding if results are statistically significant (not due to chance).
cross-sectional research
p value
median
correlation coefficient
25. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
scientific method
empiricism
naturalistic observation
median
26. 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
cohort effects
mean
scientific method
hypothesis
27. 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
quasi-experiment
sampling bias
nominal data
percentile rank
28. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
wording effects
type one error
illusory correlation
generalizability
29. If you take the same test 2x's & you get the same results it shows ______ reliability
confounding of variables
theory
controls
test-retest reliability
30. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
case study
psychological test
test-retest reliability
cohort effects
31. A type of reliability - where different versions of same instrument are used and scores are compared
operational definition
double-blind procedure
alternate form reliability
n
32. Extent to which a test yields consistent results - a measure is repeatable
controls
reliability
median
case study
33. Any selection method that results in subset of the population (sample) that is not representative - and/or not random
overconfidence effect
experimenter bias
sampling bias
validity
34. People of different ages are compared to one another at a single point in time
cross-sectional research
negative correlation
social desirability bias
scientific method
35. 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.
confounding of variables
correlation coefficient
case study
social desirability bias
36. Occur when the questions asked on a sample survey are confusing or leading
sampling bias
test-retest reliability
Hawthorne Effect
wording effects
37. 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
confederates
confounding of variables
split half reliability
face validity
38. Method by which participants are misinformed or misled about study's methods and purposes - must be told truth about this in debriefing
experimental condition
deception
p<.05
test-retest reliability
39. The tendency for people to behave differently when they know they are being studied
quasi experiment
Hawthorne Effect
negative correlation
survey
40. 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
confounding of variables
placebo effect
case study
cohort effects
41. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
test-retest reliability
longitudinal research
p value
stratified sample
42. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
control condition
split half reliability
normal distribution
single-blind procedure
43. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
illusory correlation
naturalistic observation
r
psychological test
44. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
random assignment
random sample
survey
hypothesis
45. Research method in which info is obtained by asking many individuals a fixed set of questions
null hypothesis
survey
p<.05
deception
46. Skewed distribution where data has many more scores toward the lower end of the distribution
positive (right) skew
operational definition
Hawthorne Effect
range
47. Tendency to overestimate extent to which others share our beliefs and behaviors
illusory correlation
false consensus effect
type one error
normal distribution
48. Research project designed to discover degree to which two variables are related to each other
independent variable
theory
dependent variable
correlational study
49. Computed measure of how much scores vary around the mean score.
ordinal data
standard deviation
construct validity
test-retest reliability
50. Middle score in a distribution; half scores are above it and half are below it.
wording effects
extraneous variables
median
mode