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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. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
generalizability
overconfidence effect
controls
median
2. 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
random sample
meta analysis
case study
3. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
nominal data
correlation coefficient
construct validity
median
4. Percentage of scores falling at or below a specific score.
reliability
single-blind procedure
percentile rank
cross-sectional research
5. 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
generalizability
population
case study
negative (left) skew
6. Statistical method for making simultaneous comparisons between two or more means
experimental condition
r
theory
ANOVA
7. Symbol used to represent the total number of subjects in a research study
random assignment
n
survey
negative correlation
8. All cases in a group - from which samples may be drawn for a study
population
meta analysis
type two error
stratified sample
9. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
random selection
survey
statistical significance
double-blind procedure
10. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
interval data
standard deviation
stratified sample
nominal data
11. When a specific word used in a question affects how respondents answer the question or the order of the questions
split half reliability
operational definition
control condition
wording effects
12. Extent to which a test yields consistent results - a measure is repeatable
frequency polygon
confederates
reliability
experimental condition
13. Research project designed to discover degree to which two variables are related to each other
double-blind procedure
operational definition
illusory correlation
correlational study
14. Data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st - 2nd - 3rd)
empiricism
type two error
Hawthorne Effect
ordinal data
15. Procedure for statistically combining results of many different research studies
meta analysis
stratified sample
illusory correlation
experimental condition
16. Research in which the same people are re-studied and re-tested over a long period
operational definition
percentile rank
longitudinal research
mean
17. Factors in an experiment that are unchanged for both the control group and the experimental group
controls
quasi experiment
random sample
stratified sample
18. Rejecting null hypothesis when it is actually true - a false positive
type one error
nominal data
case study
experimenter bias
19. Expectations by researcher that might influence results of experiment or its interpretation
inter-rater reliability
case study
experimenter bias
experiment
20. Research method in which info is obtained by asking many individuals a fixed set of questions
survey
experimenter bias
quasi experiment
hypothesis
21. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
scientific method
wording effects
confounding of variables
ordinal data
22. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
null hypothesis
negative (left) skew
construct validity
random selection
23. Extent to which a test measures or predicts what it is supposed to - test accuracy
validity
extraneous variables
positive correlation
frequency histogram
24. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
random assignment
negative correlation
validity
generalizability
25. A type of reliability - where different versions of same instrument are used and scores are compared
operational definition
criterion validity
alternate form reliability
reliability
26. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
split half reliability
standard deviation
inter-rater reliability
wording effects
27. Set of assumptions used to explain phenomena & offered for scientific study
theory
random sample
experimenter bias
positive (right) skew
28. Tendency to believe - after learning an outcome - that one would have foreseen it.
n
hindsight bias
hypothesis
nominal data
29. Degree to which test is representative of total domain its supposed to cover.
frequency histogram
positive correlation
p<.05
content validity
30. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
social desirability bias
case study
random selection
population
31. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
scientific method
debriefing
correlation
operational definition
32. Computed measure of how much scores vary around the mean score.
wording effects
independent variable
standard deviation
longitudinal research
33. 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
ANOVA
criterion validity
p value
cohort effects
34. Subset of a population in which every element in the population has an equal chance of being selected
population
random sample
r
random selection
35. 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
independent variable
overconfidence effect
negative (left) skew
36. 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.
extraneous variables
hindsight bias
positive (right) skew
split half reliability
37. 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
content validity
psychological test
generalizability
38. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
z score
operational definition
criterion validity
deception
39. Perception of a correlation between variables where none exists.
face validity
experimental condition
single-blind procedure
illusory correlation
40. Bar graph that shows frequency distributions
frequency histogram
Hawthorne Effect
double-blind procedure
type two error
41. A test is divided into 2 halves and scores on the halves are compared to see if test is consistent within itself. Ex. compare odds & evens
median
hypothesis
cross-sectional research
split half reliability
42. We overestimate our accuracy and our changes of success and ability to predict and explain
ordinal data
z score
Hawthorne Effect
overconfidence effect
43. Repeating of research study to determine if its finding extends to other participants and circumstances
case study
statistical significance
replication
debriefing
44. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
standard deviation
false consensus effect
sampling bias
r
45. Association between increases in one variable and decreases in another
naturalistic observation
interval data
negative correlation
quasi experiment
46. 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.
random assignment
confounding of variables
percentile rank
range
47. Skewed distribution where data has many more scores toward the lower end of the distribution
nominal data
dependent variable
wording effects
positive (right) skew
48. Type of line graph that shows frequency distributions
negative (left) skew
frequency polygon
independent variable
illusory correlation
49. Variable that may change in response to manipulations of the IV (what is measured)
quasi-experiment
standard deviation
dependent variable
social desirability bias
50. Procedure that ensures every person in a population has an equal chance of being chosen to participate
z score
hindsight bias
test-retest reliability
random selection