List of top Research Methods and Statistics Questions

If Soni got an intelligence score of 115, then what percentage of the population (% as given in the graph) will have intelligence scores higher than the score obtained by Soni? (rounded off to 2 decimal places)

Refer to Column I and Column II and mark the statement(s) that is/are “True” \[ \begin{array}{|c|c|} \hline \textbf{Column I: Class 8, Section A marks} & \textbf{Column II: Class 8, Section B marks} \\ \hline 12 & 18 \\ 12 & 18 \\ 11 & 15 \\ 10 & 15 \\ 10 & 10 \\ 9 & 5 \\ 8 & 2 \\ 8 & 2 \\ \hline \end{array} \]
Match the concept to the correct answer: \[ \begin{array}{|c|l|c|l|} \hline \textbf{P} & \text{Confounding} & \textbf{i)} & \text{We can draw clear causal conclusions from an experiment.} \\ \hline \textbf{Q} & \text{High internal validity} & \textbf{ii)} & \text{Presence of an uncontrolled variable creates uncertainty as to} \\ & & & \text{whether the dependent variable was influenced by the independent variable.} \\ \hline \textbf{R} & \text{High external validity} & \textbf{iv)} & \text{The results of a study generalize to other settings and populations.} \\ \hline \textbf{S} & \text{Placebo effect} & \textbf{iii)} & \text{Participant improves because of the expectation of receiving a} \\ & & & \text{treatment, not because of the treatment itself.} \\ \hline \end{array} \]

A researcher plans to study the long-term effect of Covid-19 on human cognitive functions. The plan is summarized below.
STUDY-I (Study conducted in 2022)
Group A: 10 years old males and females
Group B: 20 years old males and females
Group C: 30 years old males and females
STUDY-II (Study to be conducted in 2025)
Group D: 13 years old males and females
Group E: 23 years old males and females
Group F: 33 years old males and females
This research design is known as?

As per the ethical guidelines of American Psychological Association, which of the option(s) depict(s) unacceptable use of ‘Deception’ in psychology research?

Which statistical technique is used to analyze patterns of loading of coefficients?
When the probability of Type I error (\(\alpha\)) is 0.05 and the maximum acceptable probability of Type II error (\(\beta\)) is 0.20, the researcher is willing to accept that Type I error is ........ (answer in integer) times more serious than a Type II error.
In which method(s) do we gather detailed information of a small number of persons?
Specific description of a variable that allows it to be measured is called: