Psychological Statistics

Description

Quiz on Psychological Statistics, created by Charlotte Joseph on 17/03/2014.
Charlotte Joseph
Quiz by Charlotte Joseph, updated more than 1 year ago
Charlotte Joseph
Created by Charlotte Joseph over 10 years ago
2586
0

Resource summary

Question 1

Question
A researcher is interested in the eating behaviour of 5 year olds and selects a group to be tested in a research study. The group of 25 five year olds is a:
Answer
  • Sample
  • Statistic
  • Population
  • Parameter

Question 2

Question
A researcher is curious about the average IQ of registered voters in the state of Florida. The entire group of registered voters in Florida is an example of a:
Answer
  • Sample
  • Statistic
  • Population
  • Parameter

Question 3

Question
Although research questions typically concern a ______ research study typically examines a ______.
Answer
  • Sample, population
  • Statistic, sample
  • Population, sample
  • Parameter, Population

Question 4

Question
Statistical methods that use samples to answer general questions bout a population are called _______.
Answer
  • Parameters
  • Statistics
  • Descriptive statistics
  • Inferential statistics

Question 5

Question
Statistical techniques that summarise, organise and simplify data are classified as ________.
Answer
  • Population statistics
  • Sample statistics
  • Descriptive statistics
  • Inferential statistics

Question 6

Question
In an experiment, the researcher manipulates the _______ variable and measures changes in the ________ variable.
Answer
  • Population, sample
  • Sample, population
  • Independent, dependent
  • Dependent, independent

Question 7

Question
A researcher observed that preschool children playing in a red room showed more aggression than playing in a blue room. For this study, what is the independent variable?
Answer
  • Preschool children
  • Colour of the room
  • Amount of aggression
  • The children's play

Question 8

Question
In a study evaluating the effectiveness of a new medication designed to control high blood pressure, one sample of individuals is given the medicine and a second sample is given an inactive placebo. Blood pressure is measured for each individual. For this study, what is the dependent variable?
Answer
  • The medication
  • The placebo
  • Blood pressure
  • The individuals given the medication

Question 9

Question
A hypothesis test is ______.
Answer
  • A descriptive technique that allows researchers to describe a sample
  • A descriptive technique that allows researchers to describe a population
  • An inferential technique that uses the data from a sample to draw inferences about a population
  • An inferential technique that uses information about a population to make predictions about a sample

Question 10

Question
The null hypothesis _______.
Answer
  • States that the treatment has no effect
  • Is denoted by the symbol H1
  • Is always stated in terms of sample statistics
  • All of the choices are correct

Question 11

Question
The null hypothesis ______.
Answer
  • Concerns a population with an unknown mean
  • Is denoted by the symbol H0
  • Generally states that there is no effect, no change or no difference
  • All of the other choices are correct

Question 12

Question
The final step of hypothesis testing is to ______.
Answer
  • Locate the values associated with the critical region
  • Make a statistical decision about H0
  • Collect the sample data and compute the test statistic
  • State the hypotheses and select an alpha level
Show full summary Hide full summary

Similar

General ANOVA
Charlotte Joseph
The Tet Offensive
henrycage
Nerves Hormones and Target Tissue
Alannah Kelly
Antenatal Care in Pregnancy
ryanmcgovern
Complex Exam - Overall Summery
katherinethelma
Schizophrenia
katpotter71
Meaning of work
jason_segovia
Jesus
Liz Higgins
Epistemic Modality in ME
migle.erasmus
Criminology Chapter 9
shattering.illus
Personality Chapter 13
shattering.illus