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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. Sample that fairly represents a population because each member has an equal chance of inclusion.
scatterplot
experimental condition
control condition
random sample
2. Degree to which test is representative of total domain its supposed to cover.
type one error
mode
content validity
inter-rater reliability
3. Factors in an experiment that are unchanged for both the control group and the experimental group
controls
negative correlation
confounding of variables
random assignment
4. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
test-retest reliability
scientific method
r
operational definition
5. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
negative correlation
extraneous variables
naturalistic observation
construct validity
6. Research method in which info is obtained by asking many individuals a fixed set of questions
survey
hindsight bias
single-blind procedure
type one error
7. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
quasi experiment
experiment
interval data
percentile rank
8. 'Fake subjects' that look & behave like real subjects in study.
median
scientific method
r
confederates
9. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
generalizability
negative correlation
nominal data
correlational study
10. When a specific word used in a question affects how respondents answer the question or the order of the questions
positive (right) skew
population
wording effects
experimenter bias
11. Association between increases in one variable and decreases in another
confederates
negative correlation
case study
split half reliability
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.
face validity
control condition
mean
double-blind procedure
13. View that science flourishes through observation and experiment.
Hawthorne Effect
empiricism
validity
random assignment
14. Experimental factor that is manipulated; variable whose effect is being studied.
frequency histogram
type one error
split half reliability
independent variable
15. The probability level which forms basis for deciding if results are statistically significant (not due to chance).
extraneous variables
Hawthorne Effect
p value
correlation coefficient
16. Bell-shaped curve that results when values of a trait in a population are plotted against their frequency
inter-rater reliability
debriefing
normal distribution
extraneous variables
17. 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
negative (left) skew
random selection
face validity
median
18. Computed measure of how much scores vary around the mean score.
n
hindsight bias
standard deviation
correlation coefficient
19. Statement of procedures used to explain research variables in enough detail to allow for replication
criterion validity
face validity
wording effects
operational definition
20. Measure of the extent to which two factors vary together which can be positive or negative or non
correlation
sampling bias
negative correlation
overconfidence effect
21. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
correlation coefficient
interval data
replication
experimenter bias
22. Symbol used to represent the total number of subjects in a research study
n
correlational study
generalizability
experiment
23. Middle score in a distribution; half scores are above it and half are below it.
face validity
median
stratified sample
empiricism
24. People of different ages are compared to one another at a single point in time
test-retest reliability
longitudinal research
construct validity
cross-sectional research
25. Extent to which a test yields consistent results - a measure is repeatable
negative correlation
controls
median
reliability
26. Data with an absolute 0. Ratios are meaningful. (Length - Width - Weight - Distance)
type two error
statistical significance
ratio data
controls
27. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
meta analysis
false consensus effect
stratified sample
type two error
28. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
scatterplot
statistical significance
negative correlation
content validity
29. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
cross-sectional research
z score
Hawthorne Effect
deception
30. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
survey
frequency histogram
face validity
psychological test
31. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
replication
population
criterion validity
alternate form reliability
32. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
random selection
random assignment
hindsight bias
positive (right) skew
33. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
confounding of variables
hypothesis
control condition
alternate form reliability
34. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
content validity
type two error
debriefing
random assignment
35. Tendency to believe - after learning an outcome - that one would have foreseen it.
hindsight bias
frequency histogram
split half reliability
scientific method
36. Variable that may change in response to manipulations of the IV (what is measured)
dependent variable
social desirability bias
criterion validity
placebo effect
37. Tendency to give socially approved answers to questions about oneself.
population
interval data
quasi experiment
social desirability bias
38. All cases in a group - from which samples may be drawn for a study
placebo effect
double-blind procedure
population
experimenter bias
39. Perception of a correlation between variables where none exists.
case study
illusory correlation
extraneous variables
hypothesis
40. Research in which the same people are re-studied and re-tested over a long period
positive correlation
longitudinal research
survey
independent variable
41. Repeating of research study to determine if its finding extends to other participants and circumstances
replication
random sample
random assignment
validity
42. Method by which participants are misinformed or misled about study's methods and purposes - must be told truth about this in debriefing
cohort effects
deception
dependent variable
psychological test
43. Most frequently occurring score(s) in a distribution.
median
mode
negative (left) skew
population
44. Skewed distribution where data has many more scores toward the lower end of the distribution
inter-rater reliability
positive (right) skew
sampling bias
type two error
45. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
negative correlation
statistical significance
case study
correlation coefficient
46. Testable and falsifiable prediction - often implied by a theory
statistical significance
hypothesis
controls
content validity
47. Skewed distribution with many more scores on the higher end of the distribution
content validity
social desirability bias
wording effects
negative (left) skew
48. Difference between highest and lowest scores in a distribution.
range
scatterplot
operational definition
scientific method
49. Perception of relationship where none exists.
illusory correlation
ratio data
n
content validity
50. Relationship that exists when one set of data values increases while the other decreases
hindsight bias
frequency histogram
inter-rater reliability
negative correlation