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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. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
random sample
random assignment
ANOVA
quasi experiment
2. Statistical method for making simultaneous comparisons between two or more means
case study
negative correlation
ANOVA
p<.05
3. Association between increases in one variable and decreases in another
type one error
negative correlation
statistical significance
extraneous variables
4. Factors in an experiment that are unchanged for both the control group and the experimental group
controls
positive correlation
population
extraneous variables
5. The tendency for people to behave differently when they know they are being studied
split half reliability
Hawthorne Effect
quasi experiment
ANOVA
6. A type of reliability - where different versions of same instrument are used and scores are compared
debriefing
alternate form reliability
type two error
random sample
7. Results of experiment are SIGNIFICANT - they are not likely caused by chance
standard deviation
p<.05
psychological test
experiment
8. Middle score in a distribution; half scores are above it and half are below it.
nominal data
debriefing
negative correlation
median
9. Experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition - which is assumed to be an active agent.
cross-sectional research
placebo effect
replication
independent variable
10. Data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st - 2nd - 3rd)
ordinal data
Hawthorne Effect
positive correlation
construct validity
11. 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.
replication
confounding of variables
p<.05
operational definition
12. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
cross-sectional research
double-blind procedure
confounding of variables
nominal data
13. Research in which the same people are re-studied and re-tested over a long period
extraneous variables
longitudinal research
population
type two error
14. Extent to which scores suggest that a test is actually measuring an ABSTRACT theoretical idea (such as anxiety - personality - introversion - etc.).
construct validity
double-blind procedure
p<.05
Hawthorne Effect
15. When a specific word used in a question affects how respondents answer the question or the order of the questions
naturalistic observation
wording effects
operational definition
experiment
16. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
median
meta analysis
generalizability
correlational study
17. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
split half reliability
statistical significance
false consensus effect
scientific method
18. 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
range
quasi-experiment
positive correlation
meta analysis
19. Sample that fairly represents a population because each member has an equal chance of inclusion.
random sample
statistical significance
sampling bias
Hawthorne Effect
20. If you take the same test 2x's & you get the same results it shows ______ reliability
test-retest reliability
stratified sample
psychological test
normal distribution
21. Statement that describes how to measure a particular variable or define a particular term specifically in a study
operational definition
hypothesis
alternate form reliability
debriefing
22. 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
cross-sectional research
cohort effects
extraneous variables
debriefing
23. Perception of a correlation between variables where none exists.
statistical significance
negative correlation
double-blind procedure
illusory correlation
24. We overestimate our accuracy and our changes of success and ability to predict and explain
case study
psychological test
overconfidence effect
theory
25. Research project designed to discover degree to which two variables are related to each other
correlational study
experiment
face validity
population
26. Condition of experiment that exposes participants to treatment - that is - to one version of the IV
correlation coefficient
operational definition
illusory correlation
experimental condition
27. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
construct validity
negative (left) skew
experiment
inter-rater reliability
28. 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)
correlational study
random selection
validity
quasi experiment
29. Relationship that exists when one set of data values increases while the other decreases
case study
negative correlation
experiment
operational definition
30. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
type two error
positive correlation
case study
hindsight bias
31. Testable and falsifiable prediction - often implied by a theory
construct validity
hypothesis
nominal data
case study
32. 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.
scientific method
scatterplot
alternate form reliability
p value
33. Percentage of scores falling at or below a specific score.
theory
dependent variable
hindsight bias
percentile rank
34. Extent to which a test measures or predicts what it is supposed to - test accuracy
sampling bias
standard deviation
validity
stratified sample
35. View that science flourishes through observation and experiment.
generalizability
positive (right) skew
empiricism
z score
36. Bar graph that shows frequency distributions
stratified sample
operational definition
inter-rater reliability
frequency histogram
37. 'Fake subjects' that look & behave like real subjects in study.
replication
Hawthorne Effect
psychological test
confederates
38. Research method in which info is obtained by asking many individuals a fixed set of questions
survey
median
random assignment
percentile rank
39. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
r
population
p<.05
interval data
40. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
negative (left) skew
naturalistic observation
controls
n
41. Type of line graph that shows frequency distributions
false consensus effect
frequency polygon
random assignment
generalizability
42. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
reliability
survey
experimental condition
stratified sample
43. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
operational definition
z score
quasi experiment
population
44. Difference between highest and lowest scores in a distribution.
correlation coefficient
interval data
single-blind procedure
range
45. Measure of the extent to which two factors vary together which can be positive or negative or non
Hawthorne Effect
inter-rater reliability
confounding of variables
correlation
46. 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
alternate form reliability
confederates
correlation
47. Any selection method that results in subset of the population (sample) that is not representative - and/or not random
extraneous variables
type two error
psychological test
sampling bias
48. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
case study
wording effects
population
inter-rater reliability
49. Expectations by researcher that might influence results of experiment or its interpretation
correlation
experimenter bias
psychological test
placebo effect
50. Tendency to overestimate extent to which others share our beliefs and behaviors
negative correlation
false consensus effect
hindsight bias
illusory correlation