SDSU Laumakis Psych 101 test 1 Questions &
100% Correct Answers (Verified) Latest Update
With Best Rationales Grade A+
QUESTIONS AND ANSWERS
types of research designs. ANSWER -descriptive research
correlational research
experimental research
positive correlation. ANSWER -increase in a - increase in b
ex. more studying-higher grade
negative correlation. ANSWER -increase a-decrease b
temperatures go up - hot chocolate sales go down
experimental research steps. ANSWER -1. random assignment of participants
2. manipulation of an independent variable
3. measurement of effect
independent variable, dependent variable
experimental group. ANSWER -group that is subjected to the independent variable
control group. ANSWER -group that is similar in every way to the experimental group
except for the manipulation of the independent variable
random sample. ANSWER -draw 30 names out of hat
random assignment. ANSWER -randomly placed in control or exp. group
, placebo control group. ANSWER -group that does not receive treatment including active
ingredient (special type of control group)
double blind design. ANSWER -neither participant nor researcher knows they're getting
placebo
protects against research bias
good way to protect against 3rd variables. ANSWER -random assignment
measurement. ANSWER -reliability and validity are always two key issues
reliability. ANSWER -consistency of a measure
ex. iq test, if same circumstances given, gives consistent results
validity. ANSWER -how well does my measure measure what i say it measures
truthfulness
data collection techniques. ANSWER -self-report measures (could lie)
reports by other ppl (informants, parents)
direct observation
psychophysiological measures (heart rate, pulse, bp)
descriptive statistics:
measures of central tendency. ANSWER -mean is not resistant to outliers
median is resistant
mode=most common number
measures of variability. ANSWER -range
standard deviation
100% Correct Answers (Verified) Latest Update
With Best Rationales Grade A+
QUESTIONS AND ANSWERS
types of research designs. ANSWER -descriptive research
correlational research
experimental research
positive correlation. ANSWER -increase in a - increase in b
ex. more studying-higher grade
negative correlation. ANSWER -increase a-decrease b
temperatures go up - hot chocolate sales go down
experimental research steps. ANSWER -1. random assignment of participants
2. manipulation of an independent variable
3. measurement of effect
independent variable, dependent variable
experimental group. ANSWER -group that is subjected to the independent variable
control group. ANSWER -group that is similar in every way to the experimental group
except for the manipulation of the independent variable
random sample. ANSWER -draw 30 names out of hat
random assignment. ANSWER -randomly placed in control or exp. group
, placebo control group. ANSWER -group that does not receive treatment including active
ingredient (special type of control group)
double blind design. ANSWER -neither participant nor researcher knows they're getting
placebo
protects against research bias
good way to protect against 3rd variables. ANSWER -random assignment
measurement. ANSWER -reliability and validity are always two key issues
reliability. ANSWER -consistency of a measure
ex. iq test, if same circumstances given, gives consistent results
validity. ANSWER -how well does my measure measure what i say it measures
truthfulness
data collection techniques. ANSWER -self-report measures (could lie)
reports by other ppl (informants, parents)
direct observation
psychophysiological measures (heart rate, pulse, bp)
descriptive statistics:
measures of central tendency. ANSWER -mean is not resistant to outliers
median is resistant
mode=most common number
measures of variability. ANSWER -range
standard deviation
